Lua APA (7ú heag.)

Zeithaml, V. (2000). services marketing: Integrating customer focus across the firm (2nd.). TMH.

Lua i Stíl Chicago (17ú heag.)

Zeithaml, Valeria. Services Marketing: Integrating Customer Focus Across the Firm. 2nd. New delhi: TMH, 2000.

Lua MLA (9ú heag.)

Zeithaml, Valeria. Services Marketing: Integrating Customer Focus Across the Firm. 2nd. TMH, 2000.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.