Não informado. (1937). Cement and Lime Manufacture. Cement and Concrete Association.
Chicago-referens (17:e uppl.)Não informado. Cement and Lime Manufacture. London: Cement and Concrete Association, 1937.
MLA-referens (8:e uppl.)Não informado. Cement and Lime Manufacture. Cement and Concrete Association, 1937.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.