Clarke, R. (1971). The Great experiment: Science and technology in the second United Nations development decade. United Nations.
Lua i Stíl Chicago (17ú heag.)Clarke, Robin. The Great Experiment: Science and Technology in the Second United Nations Development Decade. New York: United Nations, 1971.
Lua MLA (9ú heag.)Clarke, Robin. The Great Experiment: Science and Technology in the Second United Nations Development Decade. United Nations, 1971.
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