Esling, J. H. (1978). Voice quality in Edinburgh: A sociolinguistic and phonetic study.
Chicago Style (17. basım) AtıfEsling, John Henry. Voice Quality in Edinburgh: A Sociolinguistic and Phonetic Study. 1978.
MLA (8th ed.) AtıfEsling, John Henry. Voice Quality in Edinburgh: A Sociolinguistic and Phonetic Study. 1978.
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