Society of the Sigma XI\nScientific Research Society of America\nSigma XI, the Scientific Research Society of North America\nSigma XI, the Scientific Research Society. (1942). American Scientist. Society of the Sigma XI.
Citação do estilo Chicago (17ª ed.)Society of the Sigma XI\nScientific Research Society of America\nSigma XI, the Scientific Research Society of North America\nSigma XI, the Scientific Research Society. American Scientist. New Haven, Conn: Society of the Sigma XI, 1942.
Citação MLA (8ª ed.)Society of the Sigma XI\nScientific Research Society of America\nSigma XI, the Scientific Research Society of North America\nSigma XI, the Scientific Research Society. American Scientist. Society of the Sigma XI, 1942.
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