DIrect Marketing Association

year of publication	ISBN	author(s)	title
2002	978-1-931361-13-2	Lauren Freedman	It's Just Shopping
2004	978-1-931361-43-9	Lester Wunderman	Being Direct: Making Advertising Pay
''	978-1-931361-45-3		Statistical Fact Book, 2004 (Paperback)