APA citiranje

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.

MLA citiranje

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