APA

Feachem R. G., Bradley D. J., Garelick H., Mara D. D. & Banco Mundial (Washington D. (1981). Health aspects of excreta and sullage management. Washington, D. C: Banco Mundial.

Chicago

Feachem Richard G, Bradley David J, Garelick Hemda, Mara D Duncan and Banco Mundial (Washington D.C.). 1981. Health aspects of excreta and sullage management. Washington, D. C: Banco Mundial.

Harvard

Feachem R. G., Bradley D. J., Garelick H., Mara D. D. and Banco Mundial (Washington D. (1981). Health aspects of excreta and sullage management. Washington, D. C: Banco Mundial.

MLA

Feachem Richard G, Bradley David J, Garelick Hemda, Mara D Duncan and Banco Mundial (Washington D.C.). Health aspects of excreta and sullage management. Washington, D. C: Banco Mundial. 1981.