(1985). Surface boxes, guards and underground chambers for gas and waterworks purposes: Part 1. Specification for guards, including foundation units. London: BSI.
Chicago Style CitationSurface Boxes, Guards and Underground Chambers for Gas and Waterworks Purposes: Part 1. Specification for Guards, Including Foundation Units. London: BSI, 1985.
MLA CitationSurface Boxes, Guards and Underground Chambers for Gas and Waterworks Purposes: Part 1. Specification for Guards, Including Foundation Units. London: BSI, 1985.
Warning: These citations may not always be 100% accurate.