Spiegel, M. R. (1956). Schaum's Outline of Theory and Problems of College Algebra. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoSpiegel, Murray R. Schaum's Outline of Theory and Problems of College Algebra. New York: McGraw-Hill, 1956.
Deismireacht MLASpiegel, Murray R. Schaum's Outline of Theory and Problems of College Algebra. New York: McGraw-Hill, 1956.
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