Wilkinson, S. (2000). Let's go: Workbook (2nd ed.). Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoWilkinson, Steve. Let's Go: Workbook. 2nd ed. Oxford: Oxford University Press, 2000.
Dyfyniad MLAWilkinson, Steve. Let's Go: Workbook. 2nd ed. Oxford: Oxford University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.