Gaya APA

Marketing models / Gary L. Lilien ; Philip Kotler ; K. Sridhar Moorthy. (1993). Englewood Cliffs, NJ: Prentice-Hall, c.

Gaya MLA

Marketing models / Gary L. Lilien ; Philip Kotler ; K. Sridhar Moorthy. . Englewood Cliffs, NJ: Prentice-Hall, c, 1993. Buku Wajib.