Παραπομπή σε μορφή APA (7η εκδ.)

REICHHELD,FREDERICK. (1996). The quest for loyalty: Creating value through partnership. Harvard college.

Παραπομπή σε μορφή Chicago (17η εκδ.)

REICHHELD,FREDERICK. The Quest for Loyalty: Creating Value Through Partnership. Harvard: Harvard college, 1996.

Παραπομπή σε μορφή MLA (8th εκδ.)

REICHHELD,FREDERICK. The Quest for Loyalty: Creating Value Through Partnership. Harvard college, 1996.