Gaya APA

Perreault, W, D., McCarthy, E, J. (1997). Essentials of Marketing : a Global-Managerial Approach 7th Ed (7th Ed). United Stated of America: Irwin.

Gaya MLA

Perreault, William, D., McCarthy, E., Jerome. "Essentials of Marketing : a Global-Managerial Approach 7th Ed". 7th Ed United Stated of America: Irwin, 1997. Text.