APA Style

Walker, O, C., Boyd, H, W. (2003). Marketing Strategy: A Decision-Focused Approach 4 International Ed. (4-International Edition). New York: Akademika Pressindo.

MLA Style

Walker, Orville, C., Boyd, Harper, W.. "Marketing Strategy: A Decision-Focused Approach 4 International Ed.". 4-International Edition New York: Akademika Pressindo, 2003. Manajemen.