Kaufman, R. (2012). Uplifting service: The proven path to delighting your customers, colleagues, and everyone else you meet.
Цитирование в стиле Чикаго (17-е изд.)Kaufman, Ron. Uplifting Service: The Proven Path to Delighting Your Customers, Colleagues, and Everyone Else You Meet. 2012.
Цитирование MLA (8-е изд.)Kaufman, Ron. Uplifting Service: The Proven Path to Delighting Your Customers, Colleagues, and Everyone Else You Meet. 2012.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.