Sherington, Geoffrey, author
Allen and Unwin, 1990
Buku Teks
Sherington, Geoffrey, author
George Allen and Unwin, 1982
Buku Teks
Lowenstein, Katharin Wendy, author
Hyland House Publishing , 1977
Buku Teks
Gilbert, P.F.
The Jacaranda Press, 1978
Buku Teks
Garton, Stephen
Allen & Unwin, 1990
Buku Teks