APA
World Bank (Washington D C), . (1976). Village water supply. Washington, D C: World Bank.
Chicago
World Bank (Washington D C), . 1976. Village water supply. Washington, D C: World Bank.
Harvard
World Bank (Washington D C), . (1976). Village water supply. Washington, D C: World Bank.
MLA
World Bank (Washington D C), . Village water supply. Washington, D C: World Bank. 1976.