Johnson, D. A., & Glenn, W. H. (1963). Logic and reasoning in mathematics. John Murray.
Cita Chicago (17th ed.)Johnson, Donovan A., i W. H. Glenn. Logic and Reasoning in Mathematics. London: John Murray, 1963.
Cita MLA (9th ed.)Johnson, Donovan A., i W. H. Glenn. Logic and Reasoning in Mathematics. John Murray, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.