Gaya APA

Hoffman, K, D., Bateson, J, E. (2017). Services Marketing: Concepts, Strategies, & Cases (5). USA: Cengage Learning.

Gaya MLA

Hoffman, K., Douglas., Bateson, John, E.G.. "Services Marketing: Concepts, Strategies, & Cases". 5 USA: Cengage Learning, 2017. Teks (Text).