Hiebeler, R. (1998). Best Practices: Building your business with customer - focused solutions. Simon & Schuster.
Cita Chicago (17th ed.)Hiebeler, Robert. Best Practices: Building Your Business with Customer - Focused Solutions. Simon & Schuster, 1998.
Cita MLA (9th ed.)Hiebeler, Robert. Best Practices: Building Your Business with Customer - Focused Solutions. Simon & Schuster, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.