Niven, I. (1961). Numbers: Rational and irrational. Mathematical Association of America.
Dyfyniad Arddull ChicagoNiven, Ivan. Numbers: Rational and Irrational. Washington, DC: Mathematical Association of America, 1961.
Dyfyniad MLANiven, Ivan. Numbers: Rational and Irrational. Mathematical Association of America, 1961.
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