Não informado. (1959). Environmental health. Central Public Health Engineering Research Institute.
Style de citation Chicago (17e éd.)Não informado. Environmental Health. Nagpur, India: Central Public Health Engineering Research Institute, 1959.
Style de citation MLA (8e éd.)Não informado. Environmental Health. Central Public Health Engineering Research Institute, 1959.
Attention : ces citations peuvent ne pas être correctes à 100%.