Oxfam, London School of Hygiene and Tropical Medicine. Ross Institute of Tropical Hygiene, & Pacey, A. (1978). Sanitation in developing countries. Wiley.
Chicago-viite (17. p.)Oxfam, London School of Hygiene and Tropical Medicine. Ross Institute of Tropical Hygiene, ja Arnold Pacey. Sanitation in Developing Countries. Chichester [Eng. ] ; New York: Wiley, 1978.
MLA-viite (8. p.)Oxfam, et al. Sanitation in Developing Countries. Wiley, 1978.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.