Dyfyniad APA

Middleton, V. T. C., Fyall, A., Morgan, M., & Ranchhod, A. (2009). Marketing in travel and tourism (4th ed.). Amsterdam Boston London: Butterworth-Heinemann.

Dyfyniad Arddull Chicago

Middleton, Victor T. C., Alan Fyall, Michael Morgan, và Ashok Ranchhod. Marketing in Travel and Tourism. 4th ed. Amsterdam Boston London: Butterworth-Heinemann, 2009.

Dyfyniad MLA

Middleton, Victor T. C., Alan Fyall, Michael Morgan, và Ashok Ranchhod. Marketing in Travel and Tourism. 4th ed. Amsterdam Boston London: Butterworth-Heinemann, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.