Buzan, Barry, author
Harvaster Wheatsheaf, 1990
Buku Teks
Buzan, Barry, author
The Harvester Press Ltd, 1983
Buku Teks
Zinn, Howard, author
HarperCollins Publishers, 2005
Buku Teks
The America University, [date of publication not identified]
Buku Teks
Keneally, Thomas, 1935-, author
Cassell Australia, 1965
Buku Teks