Dyfyniad APA

Frain, J. (1981). Introduction to marketing. Macdonald and evans.

Dyfyniad Arddull Chicago

Frain, John. Introduction to Marketing. Estover: Macdonald and evans, 1981.

Dyfyniad MLA

Frain, John. Introduction to Marketing. Macdonald and evans, 1981.

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