Nidditch, P. H. (1957). Introductory formal logic of mathematics. The Free Press of Glencoe.
Cita Chicago (17th ed.)Nidditch, P. H. Introductory Formal Logic of Mathematics. Glencoe: The Free Press of Glencoe, 1957.
Cita MLA (9th ed.)Nidditch, P. H. Introductory Formal Logic of Mathematics. The Free Press of Glencoe, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.