Παραπομπή APA

Northouse, p. G. (2012). Introduction to leadership: Concepts and practice (2nd ed.). Sage Publications.

Παραπομπή Chicago Style

Northouse, peter G. Introduction to Leadership: Concepts and Practice. 2nd ed. Los Angeles: Sage Publications, 2012.

Παραπομπή MLA

Northouse, peter G. Introduction to Leadership: Concepts and Practice. 2nd ed. Sage Publications, 2012.