Gaya APA

Walker, O, C., Mullins, J, W. (2012). Marketing strategy: a decision-focused approach (7th. Ed). New York: McGraw-Hill.

Gaya MLA

Walker, Orville, C.., Mullins, John, W.. "Marketing strategy: a decision-focused approach". 7th. Ed New York: McGraw-Hill, 2012. Text.