Green,S G. (2006). Barron's How to prepare For GRE,16th ed (16th ed.). Galgotia.
Dyfyniad Arddull ChicagoGreen,S G. Barron's How to Prepare For GRE,16th Ed. 16th ed. New Delhi: Galgotia, 2006.
Dyfyniad MLAGreen,S G. Barron's How to Prepare For GRE,16th Ed. 16th ed. Galgotia, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.