World Health Organization, United Nations Environment Programme, World Bank, Batstone, R., Smith, J. E., & Wilson, D. (1989). The Safe disposal of hazardous wastes: The special needs and problems of developing countries. World Bank.
Chicago-viite (17. p.)World Health Organization, United Nations Environment Programme, World Bank, Roger Batstone, James E. Smith, ja David Wilson. The Safe Disposal of Hazardous Wastes: The Special Needs and Problems of Developing Countries. Washington, D.C.: World Bank, 1989.
MLA-viite (8. p.)World Health Organization, et al. The Safe Disposal of Hazardous Wastes: The Special Needs and Problems of Developing Countries. World Bank, 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.