Não informado. Animal Sciences and Industry Research Report. Oklahoma Agricultural Experiment Station.
Lua i Stíl Chicago (17ú heag.)Não informado. Animal Sciences and Industry Research Report. Stillwater, Okla: Oklahoma Agricultural Experiment Station.
Lua MLA (8ú heag.)Não informado. Animal Sciences and Industry Research Report. Oklahoma Agricultural Experiment Station.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.