Não informado. (1964). Hygiene and sanitation. Israel Program for Scientific Translations.
Lua i Stíl Chicago (17ú heag.)Não informado. Hygiene and Sanitation. Jerusalém, Israel: Israel Program for Scientific Translations, 1964.
Lua MLA (8ú heag.)Não informado. Hygiene and Sanitation. Israel Program for Scientific Translations, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.