McCarthy, E. J., & Perreault, W. D. (1993). Marketing (11a. ed.). Irwin.
Cita Chicago (17th ed.)McCarthy, E. Jerome, i William D. Perreault. Marketing. 11a. ed. Madrid: Irwin, 1993.
Cita MLA (9th ed.)McCarthy, E. Jerome, i William D. Perreault. Marketing. 11a. ed. Irwin, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.