Gaya APA

Michaels, E, S. (1989). Study guide to accompany marketing Berkowitz, Kerin, Rudelius (2nd. ed). : Irwin.

Gaya MLA

Michaels, Erica, S. "Study guide to accompany marketing Berkowitz, Kerin, Rudelius". 2nd. ed : Irwin, 1989. Text.