United States. Council on Environmental Quality. (1970). Environmental quality. 1st-. U.S. Govt. Print. Off.
Chicago-viite (17. p.)United States. Council on Environmental Quality. Environmental Quality. 1st-. [Washington: U.S. Govt. Print. Off, 1970.
MLA-viite (9. p.)United States. Council on Environmental Quality. Environmental Quality. 1st-. U.S. Govt. Print. Off, 1970.
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