Oxfam, London School of Hygiene and Tropical Medicine. Ross Institute of Tropical Hygiene, & Pacey, A. (1978). Sanitation in developing countries. Wiley.
Chicago-referens (17:e uppl.)Oxfam, London School of Hygiene and Tropical Medicine. Ross Institute of Tropical Hygiene, och Arnold Pacey. Sanitation in Developing Countries. Chichester [Eng. ] ; New York: Wiley, 1978.
MLA-referens (8:e uppl.)Oxfam, et al. Sanitation in Developing Countries. Wiley, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.