Gee, C. Y. (1997). The travel industry (3rd ed.). Van Nostrand Reinhold.
Chicagoスタイル(17版)引用形式Gee, Chuck Y. The Travel Industry. 3rd ed. New York: Van Nostrand Reinhold, 1997.
MLA(9版)引用形式Gee, Chuck Y. The Travel Industry. 3rd ed. Van Nostrand Reinhold, 1997.
警告: この引用は必ずしも正確ではありません.