APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

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

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