APA aipamena

British Standards Institution. (1983). BS1000[331]: 1971 UDC Labour. BSI.

Chicago Style aipamena

British Standards Institution. BS1000[331]: 1971 UDC Labour. London: BSI, 1983.

MLA aipamena

British Standards Institution. BS1000[331]: 1971 UDC Labour. BSI, 1983.