Παραπομπή σε μορφή APA (7η εκδ.)

World Health Organization. (1987). Wastewater stabilization ponds: Principles of planning and practice. World Health Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Health Organization. Wastewater Stabilization Ponds: Principles of Planning and Practice. Alexandria: World Health Organization, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Health Organization. Wastewater Stabilization Ponds: Principles of Planning and Practice. World Health Organization, 1987.