CHalker, Sylvia, author
Clarendon Press, 1994
Buku Referensi
Buku Referensi
Oxford university press , 1992
Buku Teks
Smith, William George, compiler
Clarendon Press, 1952
Buku Referensi
edited by Catherine Soanes and Angus Stevenson
Oxford University Press, 2006
Buku Referensi