Cita APA (7th ed.)

ETZEL, M. (2010). MARKETING (14TH.). TMH.

Cita Chicago (17th ed.)

ETZEL, MICAEL. MARKETING. 14TH. NEW DELHI: TMH, 2010.

Cita MLA (9th ed.)

ETZEL, MICAEL. MARKETING. 14TH. TMH, 2010.