Roller, D. H. (1960). The history of science and its study in the United States. U.S. Information Agency.
Cita Chicago Style (17a ed.)Roller, Duane H.D. The History of Science and Its Study in the United States. Washington: U.S. Information Agency, 1960.
Cita MLA (9a ed.)Roller, Duane H.D. The History of Science and Its Study in the United States. U.S. Information Agency, 1960.
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