APA aipamena

Spengler, O. (1980). The decline of the West. London: Geoge Allen & Urwin.

Chicago Style aipamena

Spengler, Oswald. The Decline of the West. London: Geoge Allen & Urwin, 1980.

MLA aipamena

Spengler, Oswald. The Decline of the West. London: Geoge Allen & Urwin, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.