Cita APA (7a ed.)

Evans, J. R., & Berman, B. (1990). Marketing: Study guide (4th ed.). Macmillan.

Cita Chicago Style (17a ed.)

Evans, Joel R., y Barry Berman. Marketing: Study Guide. 4th ed. New York ; London: Macmillan, 1990.

Cita MLA (9a ed.)

Evans, Joel R., y Barry Berman. Marketing: Study Guide. 4th ed. Macmillan, 1990.