Godin, Seth. Permission marketing / Seth Godin. - London : Pocket, 2007. - xxviii, 228 p. ; 20 cm. Includes index. Originally published: London: Simon & Schuster, 1999. ISBN: 9781416526667 (pbk.) Subjects--Topical Terms: Advertising campaigns. Dewey Class. No.: 659.113 / GOD 2007