Parkinson, M. (2007). How to master psychometric tests (3rd.). Kogan Page.
Dyfyniad Arddull ChicagoParkinson, Mark. How to Master Psychometric Tests. 3rd. New Delhi: Kogan Page, 2007.
Dyfyniad MLAParkinson, Mark. How to Master Psychometric Tests. 3rd. Kogan Page, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.