TY  - BOOK
AU  - ZENGER John H.
TI  - Extraordinary leader: turning good managers into great leaders 
SN  - 9780071628082 (hbk.):
PY  - 2009///
CY  - New York
PB  - McGraw-Hill, 
KW  - LEADERSHIP
N1  - Includes bibliographical references and index; Previous ed.: 2002; Formerly CIP
ER  -