edited by John Lack and Jacqueline Templeton
The University of Melbourne, 1988
Buku Teks
Ellis, Ulrich, author
Melbourne University Press, 1963
Buku Teks
Andrews, E.M., author
Longman, 1979
Buku Teks
Saxby, H.M., author
Wentworth, 1969
Buku Teks
Oxford University Press, 1938
Buku Teks