APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.