301835 Kotler, P., Bowen, J., & Makens, J. C. (1999). Marketing for hospitality and tourism. Upper Saddle River, N.J. : Prentice Hall.

301835 Kotler, Philip, John Bowen, and James C. Makens. Marketing for Hospitality and Tourism. Upper Saddle River, N.J. : Prentice Hall, 1999.

301835 Kotler, Philip, et al. Marketing for Hospitality and Tourism. Upper Saddle River, N.J. : Prentice Hall, 1999.