Warrack, John, author
Oxford University Press, 1996
Buku Referensi
Kennedy, Michael, author
Oxford University Press, 1996
Buku Referensi
edited by Catherine Soanes and Angus Stevenson
Oxford University Press, 2006
Buku Referensi
adapted by H.W. Fowler, F.G. Fowler
Clarendon Press, 1926
Buku Referensi
edited by P. S. Falla
Clarendon Press, 1990
Buku Referensi