Foster, J. (1982). The case for idealism. Routledge & K. Paul.
Chicago Style aipamenaFoster, John. The Case for Idealism. London: Routledge & K. Paul, 1982.
MLA aipamenaFoster, John. The Case for Idealism. Routledge & K. Paul, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.