Simone De Beauvoir. (1968). Force of circumstance. Penguin Books.
Chicago Style aipamenaSimone De Beauvoir. Force of Circumstance. London: Penguin Books, 1968.
MLA aipamenaSimone De Beauvoir. Force of Circumstance. Penguin Books, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.