APA

Godin S., . (1999). Permission marketing: turning strangers into friends, and friends into customers. New York: Simon & Schuster.

Chicago

Godin Seth, . 1999. Permission marketing: turning strangers into friends, and friends into customers. New York: Simon & Schuster.

Harvard

Godin S., . (1999). Permission marketing: turning strangers into friends, and friends into customers. New York: Simon & Schuster.

MLA

Godin Seth, . Permission marketing: turning strangers into friends, and friends into customers. New York: Simon & Schuster. 1999.