edited by Judy Pearsall, Bill Trumble
Oxford University Press, 1995
Buku Referensi
edited by Della Thompson
Oxford University Press, 1996
Buku Referensi
CHalker, Sylvia, author
Clarendon Press, 1994
Buku Referensi
Clarendon Press, 1994
Buku Referensi
Wheeler, Marcus, author
Glarendon Press, 1984
Buku Referensi