Guidelines for the safe use of wastewater and excreta in agriculture and aquaculture :
measures for public health protection /
prepared by Duncan Mara & Sandy Cairncross.

APA Citation

Mara, D. Duncan (David Duncan)., Cairncross, S., United Nations Environment Programme., World Health Organization. (1989). Guidelines for the safe use of wastewater and excreta in agriculture and aquaculture: measures for public health protection. Geneva: World Health Organization.

MLA Citation

Mara, D. Duncan (David Duncan), 1944-, Sandy Cairncross, United Nations Environment Programme, and World Health Organization. Guidelines for the Safe Use of Wastewater And Excreta In Agriculture And Aquaculture: Measures for Public Health Protection. Geneva: World Health Organization, 1989.