Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.