Cita APA

Downing, A., & Locke, P. (1992). A university course in English grammar. Redwood.

Chicago Style Citation

Downing, Angela, i Philip Locke. A University Course in English Grammar. Redwood, 1992.

Cita MLA

Downing, Angela, i Philip Locke. A University Course in English Grammar. Redwood, 1992.

Atenció: Aquestes cites poden no estar 100% correctes.