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引文Westman, Robert S. The Copernican Achievement. London: University of California Press, 1975.
警告:這些引文格式不一定是100%准確.