(1997). McGraw-Hill encyclopedia of science and technology; Vol.20: Index. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoMcGraw-Hill Encyclopedia of Science and Technology; Vol.20: Index. New York: McGraw-Hill, 1997.
Deismireacht MLAMcGraw-Hill Encyclopedia of Science and Technology; Vol.20: Index. New York: McGraw-Hill, 1997.
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