Dyfyniad APA

Walker, J. R. (2013). Introduction to hospitality management (4th ed.). Pearson/Prentice Hall.

Dyfyniad Arddull Chicago

Walker, John R. Introduction to Hospitality Management. 4th ed. Upper Saddle River, N.J: Pearson/Prentice Hall, 2013.

Dyfyniad MLA

Walker, John R. Introduction to Hospitality Management. 4th ed. Pearson/Prentice Hall, 2013.

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