University of Cambridge. (2005). Cambridge IELTS 4 with answers: Examination papers from University of Cambridge ESOL examinations: English for Speakers of Other Languages. New York: Cambridge university Press.
Dyfyniad Arddull ChicagoUniversity of Cambridge. Cambridge IELTS 4 With Answers: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge university Press, 2005.
Dyfyniad MLAUniversity of Cambridge. Cambridge IELTS 4 With Answers: Examination Papers From University of Cambridge ESOL Examinations: English for Speakers of Other Languages. New York: Cambridge university Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.