Duroc swine breeders' journal. Morris Printing Co.
Lua i Stíl Chicago (17ú heag.)Duroc Swine Breeders' Journal. Indianapolis, Ind.: Morris Printing Co.
Lua MLA (8ú heag.)Duroc Swine Breeders' Journal. Morris Printing Co.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.