APA استشهاد

British Standards Institution. (1984). BS1000[339]: 1970 UDC distribution,. BSI.

استشهاد بنمط شيكاغو

British Standards Institution. BS1000[339]: 1970 UDC Distribution,. London: BSI, 1984.

MLA استشهاد

British Standards Institution. BS1000[339]: 1970 UDC Distribution,. BSI, 1984.