APA (7e ed.) Bronvermelding

Mara, D. D., & Cairncross, S. (1989). Guidelines for the safe use of wastewater and excreta in agriculture and aquaculture: Measures for public health protection. World Health Organization.

Chicago (17e ed.) Bronvermelding

Mara, D. Duncan, en Sandy Cairncross. Guidelines for the Safe Use of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. Geneva: World Health Organization, 1989.

MLA (9e ed.) Bronvermelding

Mara, D. Duncan, en Sandy Cairncross. Guidelines for the Safe Use of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. World Health Organization, 1989.