Infoterra :
world directory of environmental expertise 1987 /
United Nations Environment Programme.
APA Citation
United Nations Environment Programme. (1987). Infoterra: world directory of environmental expertise 1987. Nairobi, Kenya: The Programme.
MLA Citation
United Nations Environment Programme. Infoterra: World Directory of Environmental Expertise 1987. Nairobi, Kenya: The Programme, 1987.
Warning: These citations may not always be complete (especially for serials).