ebrary, Inc, & Volkerts, J. A. (2011). National Counterterrorism Center (NCTC): Background and issues. Nova Science Publishers.
Cita Chicago (17th ed.)ebrary, Inc, i Jackson A. Volkerts. National Counterterrorism Center (NCTC): Background and Issues. New York: Nova Science Publishers, 2011.
Cita MLA (9th ed.)ebrary, Inc, i Jackson A. Volkerts. National Counterterrorism Center (NCTC): Background and Issues. Nova Science Publishers, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.