Παραπομπή σε μορφή APA (7η εκδ.)

World Health Organization & United Nations Environment Programme. (2006). Who guidelines for the safe use of wastewater excreta and greywater: Waste water and excreta use in agriculture. World Health Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Health Organization και United Nations Environment Programme. Who Guidelines for the Safe Use of Wastewater Excreta and Greywater: Waste Water and Excreta Use in Agriculture. Geneva: World Health Organization, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

World Health Organization και United Nations Environment Programme. Who Guidelines for the Safe Use of Wastewater Excreta and Greywater: Waste Water and Excreta Use in Agriculture. World Health Organization, 2006.