Cohen, William A., 1937- Drucker on marketing : lessons from the world's most influential business thinker / by William Cohen. - New York : McGraw-Hill, 2013. - xxi, 265 p. ; 24 cm. ISBN: 9780071778626 (alk. paper) RM99.18 0071778624 (alk. paper) Subjects--Personal Names: Drucker, Peter F. 1909-2005. Subjects--Topical Terms: Marketing.