William J. Durch. (2006). Twenty-first-century peace keeping operations.
Chicago Style (17th ed.) CitationWilliam J. Durch. Twenty-first-century Peace Keeping Operations. United States Institute of Peace Press, 2006.
MLA (9th ed.) CitationWilliam J. Durch. Twenty-first-century Peace Keeping Operations. 2006.
Warning: These citations may not always be 100% accurate.