University of Cambridge. (2011). Cambridge preliminary English test 6 with answers: Examination papers from University of Cambridge ESOL examinations. Việt Nam: Fahasa Printing Factory.
Dyfyniad Arddull ChicagoUniversity of Cambridge. Cambridge Preliminary English Test 6 With Answers: Examination Papers From University of Cambridge ESOL Examinations. Việt Nam: Fahasa Printing Factory, 2011.
Dyfyniad MLAUniversity of Cambridge. Cambridge Preliminary English Test 6 With Answers: Examination Papers From University of Cambridge ESOL Examinations. Việt Nam: Fahasa Printing Factory, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.