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Dyfyniad Arddull ChicagoSTAFFORD-YILMAZ LYNN. 400 MUST-HAVE WORDS FOR THE TOEFL. NEW DELHI: TATA MCGRAW-HILL, 2005.
Dyfyniad MLASTAFFORD-YILMAZ LYNN. 400 MUST-HAVE WORDS FOR THE TOEFL. TATA MCGRAW-HILL, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.