Gaya APA

Rudelius, R, A, K, S, W, H, W. (2009). Marketing: the core (3rd ed.). Boston: Mc. Gravo Hill.

Gaya MLA

Rudelius, Roger, A., Kerin;, Steven, W., Hartey;, William. "Marketing: the core". 3rd ed. Boston: Mc. Gravo Hill, 2009. Text.