Rhodes, Winston, author
Twayne Publishers, 1969
Buku Teks
Sargeson, Frank, author
Longman Paul, 1978
Buku Teks
Martin, David, author
Thomas Nelson (Australia), 1972
Buku Teks
Wood, Frank
Pitman Pub., 1992
Buku Teks
Harary, Frank
Addison-Wesley , 1994
Buku Teks