Dyfyniad APA
Holloway, J. C. (2004). Marketing for tourism (4th ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Holloway, J. Christopher. Marketing for Tourism. 4th ed. Harlow, England: Prentice Hall, 2004.
Dyfyniad MLA
Holloway, J. Christopher. Marketing for Tourism. 4th ed. Prentice Hall, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.