Não informado. (1971). South African journal of animal science. South African Society of Animal Production.
Lua i Stíl Chicago (17ú heag.)Não informado. South African Journal of Animal Science. Pretoria, Africa do Sul: South African Society of Animal Production, 1971.
Lua MLA (8ú heag.)Não informado. South African Journal of Animal Science. South African Society of Animal Production, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.