Cita APA (7a ed.)

Zeithml, V. A. (1996). Service Marketing Valerie A. Zeithml. McGraw-Hill.

Cita Chicago Style (17a ed.)

Zeithml, Valerie A. Service Marketing Valerie A. Zeithml. McGraw-Hill, 1996.

Cita MLA (8a ed.)

Zeithml, Valerie A. Service Marketing Valerie A. Zeithml. McGraw-Hill, 1996.