edited by Della Thompson
Oxford University Press, 1996
Buku Referensi
French, F. G., author
Oxford University Press, 1951
Buku Teks
Weiner, E.S.C., compiler
Clarendon Press, 1993
Buku Referensi
editor, Tom McArthur ; managing editor, Feri McArthur
Oxford University Press, 1992
Buku Referensi
CHalker, Sylvia, author
Clarendon Press, 1994
Buku Referensi