APA (7th ed.) Zitazioa

Powell, B. (1967). Knowledge of actions. Allen and Unwin.

Chicago Style (17th ed.) Zitazioa

Powell, Betty. Knowledge of Actions. London: Allen and Unwin, 1967.

MLA (9th ed.) Zitazioa

Powell, Betty. Knowledge of Actions. Allen and Unwin, 1967.