Isaak, Robert A.
Prentice-Hall, 1991
Buku Teks
Chester A. Crocker, Fen Osler Hampson, editor
United States Institute of Peace Press, 2001
Buku Teks
Deresky, Helen
Prentice-Hall, 2000
Buku Teks
Carlberg, Michael, author
[Springer, Springer], 2012
eBooks
edited by Richard Tardanico
Sage, 1987
Buku Teks