United Nations Environment Programme, Asian Institute of Technology, Routray, J. K., & Mohanty, A. (2006). Environmental mangement tools: A trainig manual. United Nations Environment Programme ; Asian Institute of Technology.
Chicago-viite (17. p.)United Nations Environment Programme, Asian Institute of Technology, Jayant K. Routray, ja Anurupa Mohanty. Environmental Mangement Tools: A Trainig Manual. Pathumthani, Thailand: United Nations Environment Programme ; Asian Institute of Technology, 2006.
MLA-viite (8. p.)United Nations Environment Programme, et al. Environmental Mangement Tools: A Trainig Manual. United Nations Environment Programme ; Asian Institute of Technology, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.