Cita APA (7th ed.)

Northouse, P. G. (2007). Leadership: Theory and practice (4th ed.). Sage.

Cita Chicago (17th ed.)

Northouse, Peter G. Leadership: Theory and Practice. 4th ed. Oaks, Carlifornia: Sage, 2007.

Cita MLA (9th ed.)

Northouse, Peter G. Leadership: Theory and Practice. 4th ed. Sage, 2007.