Sitasi

; AUDI, ROBERT. (1999). The Cambridge Dictionary of Philosophy. Cambridge, United Kingdom : Cambridge University Press

; AUDI, ROBERT. The Cambridge Dictionary of Philosophy. Cambridge, United Kingdom : Cambridge University Press, 1999

; AUDI, ROBERT. The Cambridge Dictionary of Philosophy. Cambridge, United Kingdom : Cambridge University Press, 1999

; AUDI, ROBERT. 1999. The Cambridge Dictionary of Philosophy. Cambridge University Press Cambridge, United Kingdom