Ladefoged, P., & Peter Ladefoged. (2000). A course in phonetics. Fort Worth: Harcourt College Publishers.
Trích dẫn kiểu ChicagoLadefoged, Peter, và Peter Ladefoged. A Course in Phonetics. Fort Worth: Harcourt College Publishers, 2000.
Deismireacht MLALadefoged, Peter, và Peter Ladefoged. A Course in Phonetics. Fort Worth: Harcourt College Publishers, 2000.
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