APA

Feachem R., Bradley D., Garelick H. & Mara D. (1981). Appropiate technology for water supply and sanitation health aspects of excreta and sullage management : a state-of-the art review. Washington: The World Bank.

Chicago

Feachem Richard, Bradley David, Garelick Hemda and Mara Duncan. 1981. Appropiate technology for water supply and sanitation health aspects of excreta and sullage management : a state-of-the art review. Washington: The World Bank.

Harvard

Feachem R., Bradley D., Garelick H. and Mara D. (1981). Appropiate technology for water supply and sanitation health aspects of excreta and sullage management : a state-of-the art review. Washington: The World Bank.

MLA

Feachem Richard, Bradley David, Garelick Hemda and Mara Duncan. Appropiate technology for water supply and sanitation health aspects of excreta and sullage management : a state-of-the art review. Washington: The World Bank. 1981.