Gostick, Adrian Robert. The invisible employee : using carrots to see the hidden potential in everyone / Adrian Gostick and Chester Elton. - 2nd ed. - Hoboken, N.J. : John Wiley, c2010. - xxiv, 173 p. : ill. ; 23 cm. Includes bibliographical references. ISBN: 0470560215 9780470560211 Subjects--Topical Terms: Employee motivation.Psychology, Industrial.