APA-viite (7. p.)

Northouse, P. G. (2003). Leadership: Theory and practice (3rd.). Sage.

Chicago-viite (17. p.)

Northouse, Peter Guy. Leadership: Theory and Practice. 3rd. Thousand Oaks, Calif.: Sage, 2003.

MLA-viite (8. p.)

Northouse, Peter Guy. Leadership: Theory and Practice. 3rd. Sage, 2003.