Wohlrabe, Raymond A.
J.B. Lippincott Co., 1956, 1956
Buku Teks
Howitt, Arnold M., editor
Sydney University Press, 1972
Buku Teks
Edwards, Robert
Rigby, 1969
Buku Teks
Bechervaise, John Mayston
Rigby Limited , 1967
Buku Teks
Clark, Anne
Macmillan of Australia, 1969
Buku Teks