Callow, S. (1988). Being an actor. Penguin Books.
Chicago Style (17th ed.) ZitazioaCallow, Simon. Being an Actor. London: Penguin Books, 1988.
MLA (9th ed.) ZitazioaCallow, Simon. Being an Actor. Penguin Books, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.