Thomson, A., & Martinet, A. (1986). A Practical English Grammar: Exercise 1. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoThomson, A.j., và A.v Martinet. A Practical English Grammar: Exercise 1. Oxford: Oxford University Press, 1986.
Dyfyniad MLAThomson, A.j., và A.v Martinet. A Practical English Grammar: Exercise 1. Oxford: Oxford University Press, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.