Citazione Stile APA (7a Edizione)

Richards, R. (1969). Educational and organizational leadership. Cooperative Extension Programs.

Citazione stile Chigago Style (17a edizione)

Richards, Roland. Educational and Organizational Leadership. Waukesha, Wis: Cooperative Extension Programs, 1969.

Citatione MLA (9a ed.)

Richards, Roland. Educational and Organizational Leadership. Cooperative Extension Programs, 1969.