Gaya APA

Marketing / Warren J. Keegan ; Sandra Moriarty ; Thomas R. Duncan. (1995). Englewood Cliffs, NJ: Prentice-Hall, c.

Gaya MLA

Marketing / Warren J. Keegan ; Sandra Moriarty ; Thomas R. Duncan. 2nd ed.. Englewood Cliffs, NJ: Prentice-Hall, c, 1995. Buku Wajib.