Citáce podľa APA (7th ed.)
(1990). Environmental Quality: <The> Twenty-First Annual Report of the Council on Environmental Quality together with The President's Message to Congress (1. ed.). Council on Environmental Quality.
Citácia podle Chicago (17th ed.)
Environmental Quality: <The> Twenty-First Annual Report of the Council on Environmental Quality Together with The President's Message to Congress. 1. ed. Washington: Council on Environmental Quality, 1990.
Citácia podľa MLA (8th ed.)
Environmental Quality: <The> Twenty-First Annual Report of the Council on Environmental Quality Together with The President's Message to Congress. 1. ed. Council on Environmental Quality, 1990.
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