Dyfyniad APA

Duncan, D. J., & Phillips, C. F. (1959). Retailing: Principles and methods (5th ed.). Richard Dirwin, INC.

Dyfyniad Arddull Chicago

Duncan, Delbert J., and Charles F. Phillips. Retailing: Principles and Methods. 5th ed. Homewood: Richard Dirwin, INC, 1959.

Dyfyniad MLA

Duncan, Delbert J., and Charles F. Phillips. Retailing: Principles and Methods. 5th ed. Richard Dirwin, INC, 1959.

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