APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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