Clawson, James G. Level three leadership : getting below the surface / James G. Glawson. - 2nd ed. - Upper Saddle River, N.J. : Prentice Hall, 2003. - xxvii, 356 p. : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0130329436 RM150.07 Subjects--Topical Terms: Leadership.