Northouse, P. G. (2018). Introduction to leadership: Concepts and practice (Fourth Edition.). Sage.
Citazione stile Chigago Style (17a edizione)Northouse, Peter Guy. Introduction to Leadership: Concepts and Practice. Fourth Edition. Los Angeles, California: Sage, 2018.
Citatione MLA (9a ed.)Northouse, Peter Guy. Introduction to Leadership: Concepts and Practice. Fourth Edition. Sage, 2018.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.