Trefil, J. S. (1998). The sciences: An integrated approach. New York: J. Wiley.
Trích dẫn kiểu ChicagoTrefil, James S. The Sciences: An Integrated Approach. New York: J. Wiley, 1998.
Deismireacht MLATrefil, James S. The Sciences: An Integrated Approach. New York: J. Wiley, 1998.
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