Hutchison, S., & Roberts, R. (2008). Premium: B1 Level Teachers book (1a. ed.). Harlow: Pearson, Longman.
Citación estilo ChicagoHutchison, Susan, and Rachael Roberts. Premium: B1 Level Teachers Book. 1a. ed. Harlow: Pearson, Longman, 2008.
Cita MLAHutchison, Susan, and Rachael Roberts. Premium: B1 Level Teachers Book. 1a. ed. Harlow: Pearson, Longman, 2008.
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