Não informado. (1968). Abstracts on hygiene. Bureau of Hygiene and Tropical Diseases.
Lua i Stíl Chicago (17ú heag.)Não informado. Abstracts on Hygiene. London: Bureau of Hygiene and Tropical Diseases, 1968.
Lua MLA (8ú heag.)Não informado. Abstracts on Hygiene. Bureau of Hygiene and Tropical Diseases, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.