Dyfyniad APA

Webster, F. E. (1974). Marketing for managers. Harpet& Row publishers.

Dyfyniad Arddull Chicago

Webster, Federick E. Marketing for Managers. London: Harpet& Row publishers, 1974.

Dyfyniad MLA

Webster, Federick E. Marketing for Managers. Harpet& Row publishers, 1974.

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