Robbins, Stephen P. Supervsion today / Stephen P. Robbins, David A. DeCenzo. - 5th ed. - Upper Saddle River, NJ. : Pearson Prentice Hall 2006 - xxvi, 502 p. : ill. 28 cm. Includes bibliographical references and index. 52 ISBN: 9780131726093 LC Class. No.: HF5549.12 .R628 2006 Dewey Class. No.: HF 5549.12 .R628 2006 HF5549.12 .R628 2006 National Library of Medicine Call No.: HF5549.12 .R628 2006