Ladefoged, Peter, author
Blackwall, 2001
Buku Teks
Ladefoged, Peter, author
Blackwell Publishing, 2003
Buku Teks
Ladefoged, Peter, author
Blackwell publisher, 2001
Buku Teks
Zsiga, Elizabeth C., author
West Sussex Wiley-Blackwell, 2013
Buku Teks
Cambridge University Press, 2010
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