The American Express survey of business travel management.
APA Citation
American Express Travel Related Services Company. (1986). The American Express survey of business travel management. New York, NY: American Express Travel Related Services Co..
MLA Citation
American Express Travel Related Services Company. The American Express Survey of Business Travel Management. New York, NY: American Express Travel Related Services Co., 1986.
Warning: These citations may not always be complete (especially for serials).