Godin, Seth Linchpin : Are you indispensable? / Seth Godin; Ilustrations by Jessica Hagy and Hugh Macleod. - New York : Portfolio, 2010. - 244 p. ; 23 cm. - A New York Times Bestseller . ISBN: 978-1-59184-316-0 978-1-59184-327-6 Subjects--Topical Terms: Organization of economics