Παραπομπή σε μορφή APA (7η εκδ.)

Hiebeler, R. (1998). Best Practices: Building your business with customer - focused solutions. Simon & Schuster.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hiebeler, Robert. Best Practices: Building Your Business with Customer - Focused Solutions. Simon & Schuster, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hiebeler, Robert. Best Practices: Building Your Business with Customer - Focused Solutions. Simon & Schuster, 1998.