Powell, A. (1972). The Acceptance world. Heinemann.
Chicago Style (17th ed.) ZitazioaPowell, Anthony. The Acceptance World. London: Heinemann, 1972.
MLA (9th ed.) ZitazioaPowell, Anthony. The Acceptance World. Heinemann, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.