Crystal, David, 1941-, author
A dictionary of linguistics and phonetics
Blackwell Publishers, 1998
 Buku Referensi
Encyclopedia of linguistics : volume 1
Philipp Strazny, editor
Fitzroy Dearborn, 2005
 Buku Referensi
Davies, Alan, 1931 February 17-, author
A glossary of applied linguistics
Lawrence Erlbaum, 2005
 Buku Referensi
Ivic, Milka
Trends in linguistics / Milka Ivic
Mounton, 1970
 Buku Teks
Encyclopedia of linguistics : volume 2
Philipp Strazny, editor
Fitzroy Dearborn, 2005
 Buku Referensi