Παραπομπή σε μορφή APA (7η εκδ.)

World Health Organization. (1991). Surface water drainage for low-income communities. World Health Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Health Organization. Surface Water Drainage for Low-income Communities. Geneva: World Health Organization, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Health Organization. Surface Water Drainage for Low-income Communities. World Health Organization, 1991.