APA aipamena

Collingwood,R G. (1989). The Idea of History. OUP.

Chicago Style aipamena

Collingwood,R G. The Idea of History. Madras: OUP, 1989.

MLA aipamena

Collingwood,R G. The Idea of History. OUP, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.