Não informado. (1964). Hygiene and sanitation. Israel Program for Scientific Translations.
Cita Chicago Style (17a ed.)Não informado. Hygiene and Sanitation. Jerusalém, Israel: Israel Program for Scientific Translations, 1964.
Cita MLA (8a ed.)Não informado. Hygiene and Sanitation. Israel Program for Scientific Translations, 1964.
Precaución: Estas citas no son 100% exactas.