Dyfyniad APA

Duncan, D. J., & Philips, C. F. (1949). Retailing: Principles and methods (Rev. ed.). R.D. Irwin.

Dyfyniad Arddull Chicago

Duncan, Delbert J., and Charles Franklin Philips. Retailing: Principles and Methods. Rev. ed. Chicago, Ill: R.D. Irwin, 1949.

Dyfyniad MLA

Duncan, Delbert J., and Charles Franklin Philips. Retailing: Principles and Methods. Rev. ed. R.D. Irwin, 1949.

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