World Resources Institute, International Institute for Environment and Development, & United Nations Environment Programme. (1988). World resources 1988-89: A report. Basic Books.
Citace podle Chicago (17th ed.)World Resources Institute, International Institute for Environment and Development, a United Nations Environment Programme. World Resources 1988-89: A Report. New York: Basic Books, 1988.
Citace podle MLA (9th ed.)World Resources Institute, et al. World Resources 1988-89: A Report. Basic Books, 1988.
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