International Union for the Protection of Nature. (1954). The position of nature protection throughout the world in 1950. Wildlife Management Institute, Washington.
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Cita Chicago Style (17a ed.)
International Union for the Protection of Nature. The Position of Nature Protection Throughout the World in 1950. Brussels: Wildlife Management Institute, Washington, 1954.
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Cita MLA (9a ed.)
International Union for the Protection of Nature. The Position of Nature Protection Throughout the World in 1950. Wildlife Management Institute, Washington, 1954.
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