Cita APA

Allen, H. B. (1972). Teaching English as a Second Languages. Mcgraw -Hill INC.

Chicago Style Citation

Allen, Harold B. Teaching English As a Second Languages. Mcgraw -Hill INC, 1972.

Cita MLA

Allen, Harold B. Teaching English As a Second Languages. Mcgraw -Hill INC, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.