Wright, F. B. (1969). Rural water supply and sanitation. Wiley Eastern.
Cita Chicago Style (17a ed.)Wright, Forrest B. Rural Water Supply and Sanitation. New Delhi: Wiley Eastern, 1969.
Cita MLA (9a ed.)Wright, Forrest B. Rural Water Supply and Sanitation. Wiley Eastern, 1969.
Precaución: Estas citas no son 100% exactas.