APA (7e ed.) Bronvermelding

Godin, S. (1999). Permission marketing: Strangers into friends into customers. Simon & Schuster.

Chicago (17e ed.) Bronvermelding

Godin, Seth. Permission Marketing: Strangers into Friends into Customers. London: Simon & Schuster, 1999.

MLA (9e ed.) Bronvermelding

Godin, Seth. Permission Marketing: Strangers into Friends into Customers. Simon & Schuster, 1999.

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