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BTN's 2013 Airline Survey: Follow The Leader - Business ... (n.d.). Retrieved from http://www.businesstravelnews.com/Business-Travel-Research/BTN-s-2013-Airline-Survey--Follow-The-Leader/?ib=Airlines&a=btn
Delta Air Lines maintains its financial edge with a strong ... (n.d.). Retrieved from http://centreforaviation.com/analysis/delta-air-lines-maintains-its-financial-edge-with-a-strong-4q2013-but-its-peers-are-still-not-safe-148943
Delta Looks Set To Repeat Its Strong 2013 Performance In 2014 ... (n.d.). Retrieved from http://www.trefis.com/stock/dal/articles/221018/delta-looks-set-to-repeat-its-strong-2013-performance-in-2014/2014-02-06
Our History - By Date - By Date - Southwest Airlines Newsroom. (2013). Retrieved December 5, 2013, from http://www.swamedia.com/channels/By-Date/pages/history-by-date
Soloman, M., (4/12) What you can learn from Southwest Airlines culture. Retrieved from: http://www.washingtonpost.com/business/on-small-business/what-you-can-learn-from-southwest-airlines-culture/2012/04/03/gIQAzLVVtS_story.html
Southwest Airlines Co. (2012). 2012 annual report to shareholders. Retrieved from http://southwest.investorroom.com/?int=GFOOTER-ABOUT-INVESTOR
Top 10 Airlines in the US and Canada (Air Travel, 2013. Retrieved 12/08/2013, from (http://airtravel.about.com/od/basedinnorthamerica/tp/top10na.htm)
About Southwest - Southwest Airlines. (2013). http://www.southwest.com/html/about-southwest/index.html
BTN's 2013 Airline Survey: Follow The Leader - Business ... (n.d.). Retrieved from http://www.businesstravelnews.com/Business-Travel-Research/BTN-s-2013-Airline-Survey--Follow-The-Leader/?ib=Airlines&a=btn
Delta Air Lines maintains its financial edge with a strong ... (n.d.). Retrieved from http://centreforaviation.com/analysis/delta-air-lines-maintains-its-financial-edge-with-a-strong-4q2013-but-its-peers-are-still-not-safe-148943
Delta Looks Set To Repeat Its Strong 2013 Performance In 2014 ... (n.d.). Retrieved from http://www.trefis.com/stock/dal/articles/221018/delta-looks-set-to-repeat-its-strong-2013-performance-in-2014/2014-02-06
Our History - By Date - By Date - Southwest Airlines Newsroom. (2013). Retrieved December 5, 2013, from http://www.swamedia.com/channels/By-Date/pages/history-by-date
Soloman, M., (4/12) What you can learn from Southwest Airlines culture. Retrieved from: http://www.washingtonpost.com/business/on-small-business/what-you-can-learn-from-southwest-airlines-culture/2012/04/03/gIQAzLVVtS_story.html
Southwest Airlines Co. (2012). 2012 annual report to shareholders. Retrieved from http://southwest.investorroom.com/?int=GFOOTER-ABOUT-INVESTOR
Top 10 Airlines in the US and Canada (Air Travel, 2013. Retrieved 12/08/2013, from (http://airtravel.about.com/od/basedinnorthamerica/tp/top10na.htm)