APA aipamena

Warnock, M. (1966). Ethics since 1900 (2nd ed.). Oxford University Press.

Chicago Style aipamena

Warnock, Mary. Ethics Since 1900. 2nd ed. London: Oxford University Press, 1966.

MLA aipamena

Warnock, Mary. Ethics Since 1900. 2nd ed. Oxford University Press, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.