Dyfyniad APA

Downing, A., & Locke, P. (2002). A university course in English grammar. Routledge.

Dyfyniad Arddull Chicago

Downing, Angela, and Philip Locke. A University Course in English Grammar. London: Routledge, 2002.

Dyfyniad MLA

Downing, Angela, and Philip Locke. A University Course in English Grammar. Routledge, 2002.

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