Não informado. (1973). SCIENCE RESEARCH ABSTRACTS. Cambridge Scientific Abstracts.
Lua i Stíl Chicago (17ú heag.)Não informado. SCIENCE RESEARCH ABSTRACTS. Riverdale, Md: Cambridge Scientific Abstracts, 1973.
Lua MLA (8ú heag.)Não informado. SCIENCE RESEARCH ABSTRACTS. Cambridge Scientific Abstracts, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.