Clarke, P. O. (1980). Buildings for milk production. Cement and Concrete Association.
Lua i Stíl Chicago (17ú heag.)Clarke, P. O. Buildings for Milk Production. Slough: Cement and Concrete Association, 1980.
Lua MLA (8ú heag.)Clarke, P. O. Buildings for Milk Production. Cement and Concrete Association, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.