Committee on small water supply systems ,Water science and technology board ,Commission on Geosciences,environment and resources ,National research council. (1997). Safe water from every tap: Improving water service to small communities. National Academy Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Committee on small water supply systems ,Water science and technology board ,Commission on Geosciences,environment and resources ,National research council. Safe Water from Every Tap: Improving Water Service to Small Communities. Washington: National Academy Press, 1997.
Παραπομπή σε μορφή MLA (8th εκδ.)Committee on small water supply systems ,Water science and technology board ,Commission on Geosciences,environment and resources ,National research council. Safe Water from Every Tap: Improving Water Service to Small Communities. National Academy Press, 1997.
