Cita APA

Paul Roberts. (1962). English sentences. New York: Harcourt, Brace and World.

Chicago Style Citation

Paul Roberts. English Sentences. New York: Harcourt, Brace and World, 1962.

Cita MLA

Paul Roberts. English Sentences. New York: Harcourt, Brace and World, 1962.

Atenció: Aquestes cites poden no estar 100% correctes.