Salmon, M. (1984). Introduction to logic and critical thinking. HBJ.
Dyfyniad Arddull ChicagoSalmon, Merrilee. Introduction to Logic and Critical Thinking. San Diego: HBJ, 1984.
Dyfyniad MLASalmon, Merrilee. Introduction to Logic and Critical Thinking. HBJ, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.