Durrant, Fiona
Facet Publishing, 2006
Buku Teks
Hoovers Institution Press, 1978
Buku Teks
University of Queensland Press : The Australian Studies Centre
Majalah, Jurnal, Buletin
Karrass, Chester L.
Thomas Y. Crowell Company, 1970
Buku Teks
World Peace Foundation, 1951
Buku Teks