edited by G.L. Wood
Macmillan, 1954
Buku Teks
Sale, Colin, author
Australian Government Publishing Service, 1975
Buku Teks
McKern, Robert Bruce, author
McGraw-Hill, 1976
Buku Teks
Melbourne, A. C. V.
University of Queensland Press, 1963
Buku Teks
Andrews, John
University of Sydney , 1973
Buku Teks