McGraw-Hill, inc. (2005). McGraw-Hill's TOEFL computer-based test. McGraw-Hill.
Dyfyniad Arddull ChicagoMcGraw-Hill, inc. McGraw-Hill's TOEFL Computer-based Test. New York: McGraw-Hill, 2005.
Dyfyniad MLAMcGraw-Hill, inc. McGraw-Hill's TOEFL Computer-based Test. McGraw-Hill, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.