Kennedy, Kett Howard
University of Queenslan Press, 1978
Buku Teks
Lunn, Hugh Duncan
University of Queensland Press, 1978
Buku Teks
Longman Chesire, 1985
Buku Teks
Burns, James McGregor, author
Avon Book Division, 1961
Buku Teks
edited by Denis Murphy, Roger Joyce, Margaret Cribb
University of Queensland Press, 1990
Buku Teks