Washburn, P. (1997). Philosophical dilemmas: Building a worldview. Oxford University Press.
Chicago Style aipamenaWashburn, Phil. Philosophical Dilemmas: Building a Worldview. New York: Oxford University Press, 1997.
MLA aipamenaWashburn, Phil. Philosophical Dilemmas: Building a Worldview. Oxford University Press, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.