APA način citiranja

Frei, F., & Frances Frei; Anne Morriss. Uncommon service: How to win by putting customers at the core of your business. Boston, Mass: Harvard Business Review Press.

Čikaški stil citiranja

Frei, Frances, i Frances Frei; Anne Morriss. Uncommon Service: How to Win By Putting Customers At the Core of Your Business. Boston, Mass: Harvard Business Review Press.

MLA način citiranja

Frei, Frances, i Frances Frei; Anne Morriss. Uncommon Service: How to Win By Putting Customers At the Core of Your Business. Boston, Mass: Harvard Business Review Press.