Cita APA (7th ed.)

Etzel, M. J., & Walker, B. J. S. (2016). Marketing (14th.). Tata McGraw Hill Education Private Limited.

Cita Chicago (17th ed.)

Etzel, Michale J., i Bruce J; Stanton Walker. Marketing. 14th. New delhi: Tata McGraw Hill Education Private Limited, 2016.

Cita MLA (9th ed.)

Etzel, Michale J., i Bruce J; Stanton Walker. Marketing. 14th. Tata McGraw Hill Education Private Limited, 2016.