APA aipamena

Ofstad, H. (1961). An inquiry into the freedom of decision. George Allen & Unwin.

Chicago Style aipamena

Ofstad, Harald. An Inquiry into the Freedom of Decision. London: George Allen & Unwin, 1961.

MLA aipamena

Ofstad, Harald. An Inquiry into the Freedom of Decision. George Allen & Unwin, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.