Cita APA

Downing, A. (1992). A university course in English grammar. New York: Prentice-Hall.

Chicago Style Citation

Downing, Angela. A University Course in English Grammar. New York: Prentice-Hall, 1992.

Cita MLA

Downing, Angela. A University Course in English Grammar. New York: Prentice-Hall, 1992.

Atenció: Aquestes cites poden no estar 100% correctes.