Rue, Leslie W. Supervision, key link to productivity / Supervision. Leslie W. Rue, Lloyd L. Byars. - 9th ed. - Boston, Mass. : McGraw-Hill, 2007. - xviii, 476 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0071120610 Subjects--Topical Terms: Supervision of employees. LC Class. No.: HF5549 / .R7825 2007