Cita APA (7th ed.)

ZETHAMAL, V. A. (2011). SERVICE MARKETING (5TH.). TMH.

Cita Chicago (17th ed.)

ZETHAMAL, VALARIE A. SERVICE MARKETING. 5TH. DELHI: TMH, 2011.

Cita MLA (9th ed.)

ZETHAMAL, VALARIE A. SERVICE MARKETING. 5TH. TMH, 2011.