Citazione Stile APA (7a Edizione)

Etzel, M. J. (1997). Marketing (11th.). McGraw-Hill Company.

Citazione stile Chigago Style (17a edizione)

Etzel, Michael J. Marketing. 11th. New York: McGraw-Hill Company, 1997.

Citatione MLA (9a ed.)

Etzel, Michael J. Marketing. 11th. McGraw-Hill Company, 1997.