forrest B wright. (1956). Rural water supply and sanitation (2.). John wiley and sons.
Style de citation Chicagoforrest B wright. Rural Water Supply and Sanitation. 2. John wiley and sons, 1956.
Style de citation MLAforrest B wright. Rural Water Supply and Sanitation. 2. John wiley and sons, 1956.
Attention : ces citations peuvent ne pas être correctes à 100%.