Dyfyniad APA

Walker, J. R. (1999). Introduction to hospitality (2nd ed.). Upper Saddle River, N.J.: Prentice Hall.

Dyfyniad Arddull Chicago

Walker, John R. Introduction to Hospitality. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 1999.

Dyfyniad MLA

Walker, John R. Introduction to Hospitality. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 1999.

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