APA استشهاد

Northhouse, P. (2012). Introduction to leadership: Concepts and practice (2nd.). Sage.

استشهاد بنمط شيكاغو

Northhouse, Peter. Introduction to Leadership: Concepts and Practice. 2nd. London: Sage, 2012.

MLA استشهاد

Northhouse, Peter. Introduction to Leadership: Concepts and Practice. 2nd. Sage, 2012.