Spiegel, M. R., Moyer, R. E., & Moyer, R. E. (1998). Schaum's outline of theory and problems of college algebra (2nd ed.). New York: McGraw - Hill.
Παραπομπή Chicago StyleSpiegel, Murray R., Robert E. Moyer, and Robert E. Moyer. Schaum's Outline of Theory and Problems of College Algebra. 2nd ed. New York: McGraw - Hill, 1998.
Παραπομπή MLASpiegel, Murray R., Robert E. Moyer, and Robert E. Moyer. Schaum's Outline of Theory and Problems of College Algebra. 2nd ed. New York: McGraw - Hill, 1998.
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