Não informado. (1951). CSIR research review. Council of Scientific & Industrial Research.
Lua i Stíl Chicago (17ú heag.)Não informado. CSIR Research Review. Pretoria, Africa do Sul: Council of Scientific & Industrial Research, 1951.
Lua MLA (8ú heag.)Não informado. CSIR Research Review. Council of Scientific & Industrial Research, 1951.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.