Dyfyniad APA
Moore, B. N., & Parker, R. (2004). Critical thinking (7th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Moore, Brooke Noel, and Richard Parker. Critical Thinking. 7th ed. Boston, Mass.: McGraw-Hill, 2004.
Dyfyniad MLA
Moore, Brooke Noel, and Richard Parker. Critical Thinking. 7th ed. McGraw-Hill, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.