Cita APA (7th ed.)

Northouse, P. G. (2001). Leadership: Theory and practice (2nd ed.). Sage Pub.

Cita Chicago (17th ed.)

Northouse, Peter Guy. Leadership: Theory and Practice. 2nd ed. Thousand Oaks, CA: Sage Pub, 2001.

Cita MLA (9th ed.)

Northouse, Peter Guy. Leadership: Theory and Practice. 2nd ed. Sage Pub, 2001.