Παραπομπή σε μορφή APA (7η εκδ.)

Harvard Business Review. (2011). Harvard Business Review on Increasing Customer Loyalty. Harvard Business School.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harvard Business Review. Harvard Business Review on Increasing Customer Loyalty. Boston: Harvard Business School, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Harvard Business Review. Harvard Business Review on Increasing Customer Loyalty. Harvard Business School, 2011.