Trích dẫn APA

Frei, F. X. (2012). Uncommon service: How to win by putting customers at the core of your business. Boston, Massachusetts: Harvard Business Review Press.

Trích dẫn kiểu Chicago

Frei, Frances X. Uncommon Service: How to Win By Putting Customers At the Core of Your Business. Boston, Massachusetts: Harvard Business Review Press, 2012.

Trích dẫn MLA

Frei, Frances X. Uncommon Service: How to Win By Putting Customers At the Core of Your Business. Boston, Massachusetts: Harvard Business Review Press, 2012.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.