Waring, R. (2009). Don't believe your eyes! London ; United States: Heinle, Cengage Learning.
Dyfyniad Arddull ChicagoWaring, Rob. Don't Believe Your Eyes! London ; United States: Heinle, Cengage Learning, 2009.
Dyfyniad MLAWaring, Rob. Don't Believe Your Eyes! London ; United States: Heinle, Cengage Learning, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.