APA aipamena

(1967). British National Bibliography(Council of the British national bibliography Ltd.London), eng.

Chicago Style aipamena

British National Bibliography(Council of the British National Bibliography Ltd.London), Eng. 1967.

MLA aipamena

British National Bibliography(Council of the British National Bibliography Ltd.London), Eng. 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.