Fitzgerald, Ross
University of Queensland Press, 1989
Buku Teks
Jaensch, Dean Harold, author
Allen & Unwin, 1989
Buku Teks
Mckinlay, Brian, author
Drummond, 1979
Buku Teks
McQueen, Humphrey, author
Penguin books, 1970
Buku Teks
Fitzgerald, Ross
University of Queensland Press, 1984
Buku Teks