Dyfyniad APA

(2008). Critical Reasoning: Verbal strategy guide (3rd ed.). MG Prep Inc..

Dyfyniad Arddull Chicago

Critical Reasoning: Verbal Strategy Guide. 3rd ed. New York, N.Y.: MG Prep Inc., 2008.

Dyfyniad MLA

Critical Reasoning: Verbal Strategy Guide. 3rd ed. MG Prep Inc., 2008.

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