Hackworth, R. D. (1969). Mathematical systems: Finite and Infinite. Holt.
Chicago Edition CitationHackworth, Robert D. Mathematical Systems: Finite and Infinite. New York: Holt, 1969.
Cita MLAHackworth, Robert D. Mathematical Systems: Finite and Infinite. Holt, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.