Putnam, H. (1980). Mathematics, matter and method (2nd ed.). University Press.
Cita Chicago Style (17a ed.)Putnam, Hilary. Mathematics, Matter and Method. 2nd ed. Cambridge [etc.]: University Press, 1980.
Cita MLA (9a ed.)Putnam, Hilary. Mathematics, Matter and Method. 2nd ed. University Press, 1980.
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