Chisholm, R. (1987). Theory of knowledge (2nd.). Prentice Hall of India (Pvt. Ltd.).
Chicago Style aipamenaChisholm, R. Theory of Knowledge. 2nd. New Delhi: Prentice Hall of India (Pvt. Ltd.), 1987.
MLA aipamenaChisholm, R. Theory of Knowledge. 2nd. Prentice Hall of India (Pvt. Ltd.), 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.