Dyfyniad APA

Kotler,Philip. (1984). Marketing management/5e (5th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Kotler,Philip. Marketing Management/5e. 5th ed. New delhi: Prentice Hall, 1984.

Dyfyniad MLA

Kotler,Philip. Marketing Management/5e. 5th ed. Prentice Hall, 1984.

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