Cita APA (7th ed.)

Gonðcalves, K. P. (1998). Services marketing: A strategic approach. Prentice Hall.

Cita Chicago (17th ed.)

Gonðcalves, Karen P. Services Marketing: A Strategic Approach. Upper Saddle River, NJ: Prentice Hall, 1998.

Cita MLA (9th ed.)

Gonðcalves, Karen P. Services Marketing: A Strategic Approach. Prentice Hall, 1998.