Leo John. (1985). Use of English: Grammar practice activities for intermediate and upper-intermediate students (Student's book). Cambridge: Cambridge Univ. Press.
Dyfyniad Arddull ChicagoLeo John. Use of English: Grammar Practice Activities for Intermediate and Upper-intermediate Students (Student's Book). Cambridge: Cambridge Univ. Press, 1985.
Dyfyniad MLALeo John. Use of English: Grammar Practice Activities for Intermediate and Upper-intermediate Students (Student's Book). Cambridge: Cambridge Univ. Press, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.