BIRKHOFF, G., & BIRKHOFF, G. a. B. (1970). Modern applied algebra (3rd ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)BIRKHOFF, Garrett, y Garrett and BARTEE BIRKHOFF. Modern Applied Algebra. 3rd ed. New York: McGraw-Hill, 1970.
Cita MLA (9a ed.)BIRKHOFF, Garrett, y Garrett and BARTEE BIRKHOFF. Modern Applied Algebra. 3rd ed. McGraw-Hill, 1970.
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