Asutralia National University, 1990
Buku Teks
editors by Gisela M. von Dran; Jennifer Cargill
The Haworth Press, Inc., 1993
Buku Teks
Elcock, Howard, author
Longman, 1991
Buku Teks
Quarterly, 1988
Majalah, Jurnal, Buletin
Bellwood, Peter, author
Auckland Collins 1978,
Buku Teks