Dyfyniad APA

Moore, B. N., & Parker, R. (. B. (2009). Critical thinking. Boston, MA: McGraw-Hill.

Dyfyniad Arddull Chicago

Moore, Brooke Noel., và Richard (Richard B.) Parker. Critical Thinking. Boston, MA: McGraw-Hill, 2009.

Dyfyniad MLA

Moore, Brooke Noel., và Richard (Richard B.) Parker. Critical Thinking. Boston, MA: McGraw-Hill, 2009.

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