Buzan, Tony, author
Gramedia Pustaka Utama , 2005
Buku Teks
William Damon, editor-in-chief
John Wiley & Sons, 1998
Buku Referensi
Ortiz, John M., author
Gramedia Pustaka Utama, 2002
Buku Teks
Singer, Hans W. (Hans Wolfgang), author
United Nations, 1972
Buku Teks
Smith, Peter K., author
Wiley, 2011
Buku Teks