Não informado. (1922). Brown swiss bulletin. Brown Swiss Cattle Breeders Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Brown Swiss Bulletin. Beloit, Wis: Brown Swiss Cattle Breeders Association, 1922.
Lua MLA (8ú heag.)Não informado. Brown Swiss Bulletin. Brown Swiss Cattle Breeders Association, 1922.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.