Barber, Charles
The english language : a historical introduction / Charles Barber
Cambridge University Press, 1993
 Buku Teks
Language and linguistics : volume I
selected and introduced by Roy Harris
Routledge/Thoemmes Press, 1995
 Buku Referensi
Language and linguistics : volume II
selected and introduced by Roy Harris
Routledge/Thoemmes Press, 1995
 Buku Referensi
Language and linguistics : volume III
selected and introduced by Roy Harris
Routledge/Thoemmes Press, 1995
 Buku Referensi
Language and linguistics : volume IV
selected and introduced by Roy Harris
Routledge/Thoemmes Press, 1995
 Buku Referensi