Cita APA

(1981). World English. Orlando, FL: Harcourt, Brace International.

Chicago Style Citation

World English. Orlando, FL: Harcourt, Brace International, 1981.

Cita MLA

World English. Orlando, FL: Harcourt, Brace International, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.