Clarke, P. O. (1980). Buildings for milk production. Cement and Concrete Association.
Chicago-referens (17:e uppl.)Clarke, P. O. Buildings for Milk Production. Slough: Cement and Concrete Association, 1980.
MLA-referens (8:e uppl.)Clarke, P. O. Buildings for Milk Production. Cement and Concrete Association, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.