Scott, William Neville
University of Queensland Press, 1967
Buku Teks
Walker, Shirley
Oxford University Press, 1982
Buku Referensi
de Groen, Frances
Pan Books, 1981
Buku Teks
Walker, Shirley
University of Queensland Press, 1991
Buku Teks
Wright, Judith, 1915-2000
Oxford University Press, 1981
Buku Teks