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.
Chicago-стиль цитированияFrei, Frances, và 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-цитированиеFrei, Frances, và Frances Frei; Anne Morriss. Uncommon Service: How to Win By Putting Customers At the Core of Your Business. Boston, Mass: Harvard Business Review Press.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.