APA aipamena

Etzel, M. J. (2004). Marketing. Boston, Mass: McGraw-Hill.

Chicago Style aipamena

Etzel, Michael J. Marketing. Boston, Mass: McGraw-Hill, 2004.

MLA aipamena

Etzel, Michael J. Marketing. Boston, Mass: McGraw-Hill, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.