Dyfyniad APA

McCarthy, E. J., & Perreault, W. D. (1987). Basic marketing: A managerial approach (9th ed.). Irwin.

Dyfyniad Arddull Chicago

McCarthy, E. Jerome, and William D. Perreault. Basic Marketing: A Managerial Approach. 9th ed. Homewood, Ill.: Irwin, 1987.

Dyfyniad MLA

McCarthy, E. Jerome, and William D. Perreault. Basic Marketing: A Managerial Approach. 9th ed. Irwin, 1987.

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