Thorpe, E. (2003). Test of reasoning for competitive examinations (3rd ed.). Tata McGraw-Hill Publishing.
Dyfyniad Arddull ChicagoThorpe, Edgar. Test of Reasoning for Competitive Examinations. 3rd ed. New Delhi: Tata McGraw-Hill Publishing, 2003.
Dyfyniad MLAThorpe, Edgar. Test of Reasoning for Competitive Examinations. 3rd ed. Tata McGraw-Hill Publishing, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.