Urling-Smith, F.M.
Oxford University Press, 1948
Buku Teks
Dransfield, Michael
University of Queensland Press, 1978
Buku Teks
James, Jamie
Didier Millet, 2011
Buku Teks
Lewis, C.S.
Harpercollins, 1980
Buku Teks
Kimball, John D.
LLoyd's of London Press LTD, 1993
Buku Teks