edited by Catherine Soanes and Angus Stevenson
Oxford University Press, 2006
Buku Referensi
edited by P. S. Falla
Clarendon Press, 1990
Buku Referensi
edited by Judy Pearsall, Bill Trumble
Oxford University Press, 1995
Buku Referensi
edited by Della Thompson
Oxford University Press, 1996
Buku Referensi
CHalker, Sylvia
Clarendon Press, 1994
Buku Referensi