Gaya APA

KERIN, R, A., PETERSON, R, A. (2001). Strategic marketing problems: case and comments (9th ed.). New Jersey: Prentice Hall.

Gaya MLA

KERIN, Roger, A.., PETERSON, Robert, A.. "Strategic marketing problems: case and comments". 9th ed. New Jersey: Prentice Hall, 2001. Buku.