Cita APA (7th ed.)

Etzel, M. J. (2004). Marketing (13thed.). McGraw-Hill.

Cita Chicago (17th ed.)

Etzel, Michael J. Marketing. 13thed. New York:: McGraw-Hill, 2004.

Cita MLA (9th ed.)

Etzel, Michael J. Marketing. 13thed. McGraw-Hill, 2004.