McConnochie, Keith
Social Science Press, 1988
Buku Teks
edited by F. S. Stevens
Australia and New Zealand Book, 1974
Buku Teks
Reynolds, Henry
Penguin Books, 1983
Buku Teks
London, H.I.
Sydney University Press, 1970
Buku Teks
Banton Michael
Tavistock Publications, 1969
Buku Teks