APA aipamena

Ayer, A. J. (1984). Philosophy in the twentieth century. London: Counterpoint.

Chicago Style aipamena

Ayer, A. J. Philosophy in the Twentieth Century. London: Counterpoint, 1984.

MLA aipamena

Ayer, A. J. Philosophy in the Twentieth Century. London: Counterpoint, 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.