Levinson, Jay Conrad Guerrilla marketing in 30 days / Jay Comrad and Al Lautenslager. - United States : EP Entrepreneur Press, c2005. - xxiii, 303 pages : illustration ; 24 centimeter. Includes index. ISBN: 9780071312103 Subjects--Topical Terms: Marketing.Advertising. Dewey Class. No.: FOR 658.8 L57g 2009