Παραπομπή σε μορφή APA (7η εκδ.)

ebrary, Inc, Jacobsen, M., Webster, M., & Vairavamoorthy, K. (2013). The future of water in African cities: Why waste water? World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ebrary, Inc, Michael Jacobsen, Michael Webster, και Kalanithy Vairavamoorthy. The Future of Water in African Cities: Why Waste Water? Washington, D.C.: World Bank, 2013.

Παραπομπή σε μορφή MLA (9th εκδ.)

ebrary, Inc, et al. The Future of Water in African Cities: Why Waste Water? World Bank, 2013.