APA-referens (7:e uppl.)

Zenger, J. H., & Folkman, J. (2002). The extraordinary leader: Turning good managers into great leaders. McGraw-Hill.

Chicago-referens (17:e uppl.)

Zenger, John H., och Joe Folkman. The Extraordinary Leader: Turning Good Managers into Great Leaders. New York : New Delhi: McGraw-Hill, 2002.

MLA-referens (8:e uppl.)

Zenger, John H., och Joe Folkman. The Extraordinary Leader: Turning Good Managers into Great Leaders. McGraw-Hill, 2002.