Zeithaml, V. A., Bitner, M. J., & Gremler, D. D. (2013). Services marketing: Integrating customer focus across the firm (6th ed.). McGraw-Hill Irwin.
Цитирование в стиле Чикаго (17-е изд.)Zeithaml, Valarie A., Mary Jo Bitner, и Dwayne D. Gremler. Services Marketing: Integrating Customer Focus Across the Firm. 6th ed. New York: McGraw-Hill Irwin, 2013.
Цитирование MLA (8-е изд.)Zeithaml, Valarie A., et al. Services Marketing: Integrating Customer Focus Across the Firm. 6th ed. McGraw-Hill Irwin, 2013.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.