Kerr, C. (1990). Community health and sanitation. Intermediate Technology Publications.
Citazione stile Chigago Style (17a edizione)Kerr, Charles. Community Health and Sanitation. London: Intermediate Technology Publications, 1990.
Citatione MLA (8a ed.)Kerr, Charles. Community Health and Sanitation. Intermediate Technology Publications, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.