Oxford University Press, New York
Buku Referensi
Oxford University Press, 1996
Buku Referensi
Smith, William George, compiler
Clarendon Press, 1952
Buku Referensi
Oxford University
London, Oxford University Press
Buku Referensi
edited by Judy Pearsall, Bill Trumble
Oxford University Press, 1995
Buku Referensi