Hall, E. J. (1972). Practical Conversation in English: For Beginning Students. New York: Regents.
Citación estilo ChicagoHall, Eugene J. Practical Conversation in English: For Beginning Students. New York: Regents, 1972.
Cita MLAHall, Eugene J. Practical Conversation in English: For Beginning Students. New York: Regents, 1972.
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