Dyfyniad APA
Mason, R. E. (1995). Marketing: Practices and principles (5th ed.). Glencoe, McGrow-Hill.
Dyfyniad Arddull Chicago
Mason, Ralph E. Marketing: Practices and Principles. 5th ed. New York: Glencoe, McGrow-Hill, 1995.
Dyfyniad MLA
Mason, Ralph E. Marketing: Practices and Principles. 5th ed. Glencoe, McGrow-Hill, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.