APA (7th ed.) Citation

Gee, C. Y. (1990). Professional travel agency management. Prentice Hall.

Chicago Style (17th ed.) Citation

Gee, Chuck Y. Professional Travel Agency Management. Englewood Cliffs, N.J: Prentice Hall, 1990.

MLA (9th ed.) Citation

Gee, Chuck Y. Professional Travel Agency Management. Prentice Hall, 1990.