APA aipamena

British Standards Institution. (1981). Sound power levels of noise sources (1st revision.). British Standards Institution.

Chicago Style aipamena

British Standards Institution. Sound Power Levels of Noise Sources. 1st revision. London: British Standards Institution, 1981.

MLA aipamena

British Standards Institution. Sound Power Levels of Noise Sources. 1st revision. British Standards Institution, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.