Orion, G. F. (2012). Pronouncing american english: Sounds, stress, and intonation (Third edition.). Boston, Massachusetts: Heinle Cengage Learning.
Citación estilo ChicagoOrion, Gertrude F.. Pronouncing American English: Sounds, Stress, and Intonation. Third edition. Boston, Massachusetts: Heinle Cengage Learning, 2012.
Cita MLAOrion, Gertrude F.. Pronouncing American English: Sounds, Stress, and Intonation. Third edition. Boston, Massachusetts: Heinle Cengage Learning, 2012.
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