Harris, D.D. (Donald Dunstan)
Whitcombe Tombs PTY, 1963
Buku Teks
Australia Encorebooks, 1991
Buku Referensi
Gresham, Bill
Nusa Indah, 1993
Buku Teks
Taylor, Griffith, author
Methuen, 1959
Buku Teks
Spate, Oskar Hermann Kristian, author
Oxford University Press, 1965
Buku Teks