Kerr, C. (1990). Community health and sanitation. Intermediate Technology Publications.
Lua i Stíl Chicago (17ú heag.)Kerr, Charles. Community Health and Sanitation. London: Intermediate Technology Publications, 1990.
Lua MLA (8ú heag.)Kerr, Charles. Community Health and Sanitation. Intermediate Technology Publications, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.