Barrall, I. (2008). Market leader: Elementary business English teacher'r resource book (New edition.). New York: Longman.
Citación estilo ChicagoBarrall, Irene. Market Leader: Elementary Business English Teacher'r Resource Book. New edition. New York: Longman, 2008.
Cita MLABarrall, Irene. Market Leader: Elementary Business English Teacher'r Resource Book. New edition. New York: Longman, 2008.
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