British Portland Cement Association. (1930). Concrete bridges. British Portland Cement Association.
Chicago Style (17th ed.) CitationBritish Portland Cement Association. Concrete Bridges. London: British Portland Cement Association, 1930.
MLA (9th ed.) CitationBritish Portland Cement Association. Concrete Bridges. British Portland Cement Association, 1930.
Warning: These citations may not always be 100% accurate.