APA aipamena

Cook, R. A., Yale, L. J., & Marqua, J. J. (1999). Tourism: The business of travel. Upper Saddle River, N.J: Prentice Hall.

Chicago Style aipamena

Cook, Roy A., Laura J. Yale, và Joseph J. Marqua. Tourism: The Business of Travel. Upper Saddle River, N.J: Prentice Hall, 1999.

MLA aipamena

Cook, Roy A., Laura J. Yale, và Joseph J. Marqua. Tourism: The Business of Travel. Upper Saddle River, N.J: Prentice Hall, 1999.