Maris A. Amanda, Soars L. Liz, & Soars J. John. (2003). New Headway. English Course. Beginner: Teacher's Book. New York, Oxford University Press, 2003.
Cita Chicago Style (17a ed.)Maris A. Amanda, Soars L. Liz, y Soars J. John. New Headway. English Course. Beginner: Teacher's Book. New York, Oxford University Press, 2003, 2003.
Cita MLA (9a ed.)Maris A. Amanda, et al. New Headway. English Course. Beginner: Teacher's Book. New York, Oxford University Press, 2003, 2003.
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