Dyfyniad APA

Duncan, D. J., & Phillips, C. F. (1951). Retailing: Principles and methods (3rd ed.). Richard D. Irwin.

Dyfyniad Arddull Chicago

Duncan, Delbert J., and Charles F. Phillips. Retailing: Principles and Methods. 3rd ed. Homewood, Ill.: Richard D. Irwin, 1951.

Dyfyniad MLA

Duncan, Delbert J., and Charles F. Phillips. Retailing: Principles and Methods. 3rd ed. Richard D. Irwin, 1951.

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