William J. Hardcastle, John Laver, Fiona E. Gibbon, editor
Wiley-Blackweell, 2013
Buku Teks
Jones, Daniel, author
Dent, 1940
Buku Referensi
Brandenstein, Wilhelm, author
Gerold, 1950
Buku Teks
Abercrombie, David
Aldine, 1968
Buku Teks
Ladefoged, Peter, author
Blackwell publisher, 2001
Buku Teks