(1981). BS6031 : 1981: Code of practice of earthworks. London: British Standards Institution.
Chicago Style CitationBS6031 : 1981: Code of Practice of Earthworks. London: British Standards Institution, 1981.
MLA CitationBS6031 : 1981: Code of Practice of Earthworks. London: British Standards Institution, 1981.
Warning: These citations may not always be 100% accurate.