Beaumont, D., & Digby Beaumont; Colin Granger. (1992). The Heinemann English grammar. Edizione ital. - Oxford: Heinemann.
Dyfyniad Arddull ChicagoBeaumont, Digby, và Digby Beaumont; Colin Granger. The Heinemann English Grammar. Edizione ital. - Oxford: Heinemann, 1992.
Dyfyniad MLABeaumont, Digby, và Digby Beaumont; Colin Granger. The Heinemann English Grammar. Edizione ital. - Oxford: Heinemann, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.