Gaya APA

Pride, W, M., Ferrell, O. (1993). Marketing: Concepts and Strategies (Eighth - Ed). U.S.A.: Houghton Mifflin Company.

Gaya MLA

Pride, William, M.., Ferrell, O.C. "Marketing: Concepts and Strategies". Eighth - Ed U.S.A.: Houghton Mifflin Company, 1993. Text.