References
"A History of Commercial Air Freight." Retrieved from http://www.centennialofflight.gov/essay/Commercial_Aviation/AirFreight/Tran10.htm Accessed on 24 May, 2005
"Air Express & Parcel Shipments Case Study: How we reduced a Client's Express Shipment Costs." Retrieved from http://www.buslog.com/air-express-parcel-shipments/case-study1.html Accessed on 24 May, 2005
Egan, David. "Comparison Shopping for Shipping." Retrieved from http://www.craftsreport.com/june99/businessbasics.html Accessed on 24 May, 2005
"Federal Express." (3 December, 1999) Retrieved from http://parkercenter.johnson.cornell.edu/docs/other_research/1999_fall/fdx.pdf Accessed on 24 May, 2005