Gaya APA
Information and training for low-cost water supply and sanitation: Gravity-flow water supply. (1986).
:
The World Bank.
Gaya Chicago
Information and training for low-cost water supply and sanitation: Gravity-flow water supply.
.
:
The World Bank,
1986.
Text.
Gaya MLA
Information and training for low-cost water supply and sanitation: Gravity-flow water supply.
.
:
The World Bank,
1986.
Text.
Gaya Turabian
Information and training for low-cost water supply and sanitation: Gravity-flow water supply.
:
The World Bank,
1986.
Print.