Citazione Stile APA (7a Edizione)

Gill, R. (2006). Theory and practice of leadership. Sage Publication.

Citazione stile Chigago Style (17a edizione)

Gill, Roger. Theory and Practice of Leadership. london.-: Sage Publication, 2006.

Citatione MLA (9a ed.)

Gill, Roger. Theory and Practice of Leadership. Sage Publication, 2006.