Dyfyniad APA

Salmon, M. (2002). Introduction to logic and critical thinking (4th ed.). Thomson Learning . Wadsworth.

Dyfyniad Arddull Chicago

Salmon, Merrilee. Introduction to Logic and Critical Thinking. 4th ed. United States: Thomson Learning . Wadsworth, 2002.

Dyfyniad MLA

Salmon, Merrilee. Introduction to Logic and Critical Thinking. 4th ed. Thomson Learning . Wadsworth, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.