Jakeman, V., & McDowell, C. (2012). Cambridge Practice Tests for IELTS 1 (20th ed.). Cambridge New York: Cambridge University Press.
Dyfyniad Arddull ChicagoJakeman, Vanessa, và Clare McDowell. Cambridge Practice Tests for IELTS 1. 20th ed. Cambridge New York: Cambridge University Press, 2012.
Dyfyniad MLAJakeman, Vanessa, và Clare McDowell. Cambridge Practice Tests for IELTS 1. 20th ed. Cambridge New York: Cambridge University Press, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.