APA استشهاد

British Standards Institution. (1972). BS1000[0]: [1972] UDC31 Generalities. British Standards Instt..

استشهاد بنمط شيكاغو

British Standards Institution. BS1000[0]: [1972] UDC31 Generalities. London: British Standards Instt., 1972.

MLA استشهاد

British Standards Institution. BS1000[0]: [1972] UDC31 Generalities. British Standards Instt., 1972.