Dyfyniad APA

GRAVER, B. (1984). Advanced english practice: With key .-- Ed.2. Oxford University Press.

Dyfyniad Arddull Chicago

GRAVER, B.D. Advanced English Practice: With Key .-- Ed.2. Oxford: Oxford University Press, 1984.

Dyfyniad MLA

GRAVER, B.D. Advanced English Practice: With Key .-- Ed.2. Oxford University Press, 1984.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.