APA استشهاد

British Standards Institution. (1983). BS1000[335]: 1969 UDC Socialism. BSI.

استشهاد بنمط شيكاغو

British Standards Institution. BS1000[335]: 1969 UDC Socialism. London: BSI, 1983.

MLA استشهاد

British Standards Institution. BS1000[335]: 1969 UDC Socialism. BSI, 1983.