APA-referens (7:e uppl.)

ZENGER JOHN H. (2002). EXTRAORDINARY LEADER: TURNING GOOD MANAGERS INTO GREAT LEADERS. MCGRAW-HILL.

Chicago-referens (17:e uppl.)

ZENGER JOHN H. EXTRAORDINARY LEADER: TURNING GOOD MANAGERS INTO GREAT LEADERS. NEW YORK: MCGRAW-HILL, 2002.

MLA-referens (9:e uppl.)

ZENGER JOHN H. EXTRAORDINARY LEADER: TURNING GOOD MANAGERS INTO GREAT LEADERS. MCGRAW-HILL, 2002.