APA استشهاد

Northouse, P. G. (2012). Leadership: Theory and practice (6th ed.). Sage.

استشهاد بنمط شيكاغو

Northouse, Peter G. Leadership: Theory and Practice. 6th ed. Los Angels: Sage, 2012.

MLA استشهاد

Northouse, Peter G. Leadership: Theory and Practice. 6th ed. Sage, 2012.