Westman, R. S. (1975). The copernican achievement. London: University of California Press.
Trích dẫn kiểu ChicagoWestman, Robert S. The Copernican Achievement. London: University of California Press, 1975.
MLA citiranjeWestman, Robert S. The Copernican Achievement. London: University of California Press, 1975.
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