Johnson, D. A., & Glenn, W. H. (1963). Logic and reasoning in mathematics. John Murray.
Dyfyniad Arddull ChicagoJohnson, Donovan A., and W. H. Glenn. Logic and Reasoning in Mathematics. London: John Murray, 1963.
Dyfyniad MLAJohnson, Donovan A., and W. H. Glenn. Logic and Reasoning in Mathematics. John Murray, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.