edited by W.A. Howard
Longman Cheshire, 1984.
Buku Teks
edited by: John Halligan and Chris Paris
Longman Chesire, 1984
Buku Teks
Capone, Giovanna
University of Queensland Press , 1991
Buku Teks
Australian Government Publishing Service , 1979
Buku Teks
1982, George Allen & Unwin
Buku Teks