Ladefoged, P., & Johnson, K. (2015). A Course in phonetics. Stamford, CT: Cengage Learning.
Trích dẫn kiểu ChicagoLadefoged, Peter, và Keith Johnson. A Course in Phonetics. Stamford, CT: Cengage Learning, 2015.
Deismireacht MLALadefoged, Peter, và Keith Johnson. A Course in Phonetics. Stamford, CT: Cengage Learning, 2015.
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