APA Citation

(1985). BS3921 1985 specification for clay bricks (Second revision ed.). London: British Standards Institution.

Chicago Style Citation

BS3921 1985 Specification for Clay Bricks. Second revision ed. London: British Standards Institution, 1985.

MLA Citation

BS3921 1985 Specification for Clay Bricks. Second revision ed. London: British Standards Institution, 1985.

Warning: These citations may not always be 100% accurate.