Cita APA

Rubin, D. (2005). Grammar and usage. New York: Longman.

Chicago Style Citation

Rubin, Dorothy. Grammar and Usage. New York: Longman, 2005.

Cita MLA

Rubin, Dorothy. Grammar and Usage. New York: Longman, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.