APA aipamena

Williamson, T., & Trust, A. (1987). On knowledge of the unknowable. Blackwell Publishing.

Chicago Style aipamena

Williamson, T., and Analysis Trust. On Knowledge of the Unknowable. Blackwell Publishing, 1987.

MLA aipamena

Williamson, T., and Analysis Trust. On Knowledge of the Unknowable. Blackwell Publishing, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.