Snyder, E. E. (1969). History of the Physical Sciences. Columbus, Ohio: Charles E. Merrill.
Čikaški stil citiranjaSnyder, Ernest E. History of the Physical Sciences. Columbus, Ohio: Charles E. Merrill, 1969.
MLA način citiranjaSnyder, Ernest E. History of the Physical Sciences. Columbus, Ohio: Charles E. Merrill, 1969.
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