Dyfyniad APA

Thomson, A., & Martinet, A. V. (1986). A practical English grammar (4th ed.). Oxford: Oxford Univ. press.

Dyfyniad Arddull Chicago

Thomson, A.J., và A. V. Martinet. A Practical English Grammar. 4th ed. Oxford: Oxford Univ. press, 1986.

Dyfyniad MLA

Thomson, A.J., và A. V. Martinet. A Practical English Grammar. 4th ed. Oxford: Oxford Univ. press, 1986.

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