(63)Belinda Bragg,Gray Zone Conflicts,Challenges,and Opportunities:Executive Summaries of Team Reports,Strategic Multi-Layer Assessment(SMA)Report,July 2017,http://nsiteam.com/social/wp-content/uploads/2017/07/GZ_Executive_Summaries_v4.pdf，访问时间：2018年3月20日。

　　 (64)Juan Zarate,Treasury's War:The Unleashing of a New Era of Financial Warfare,New York:Public Affairs,2013.

　　 (65)Kenneth Katzman,Iran Sanctions,p.1.

　　 (66)Donald Trump,"Remarks by President Trump on Iran Strategy," the White House,October 13,2017,https://www.whitehouse.gov/briefings-statements/remarks-president-trump-iran-strategy/，访问时间：2018年3月20日。

　　 (67)James M.Dubik and Nic Vincent,America's Global Competitions:The Gray Zone in Context,p.16; Nicholas Heras,Gray Zones in the Middle East,https://www.hnas.org/publications/reports/gray-zones-in-the-middleeast，访问时间：2018年3月21日。

　　 (68)John A.Stevenson,"Gray Zone Deterrence:What It Is and How(Not)to Do It," NSI Concept Paper,May 2017,Arlington:Strategic Multi-layer Assessment(SMA),http://nsiteam.com/social/wp-content/uploads/2017/06/CP3_Deterrence_Final.pdf，访问时间：2018年3月20日。

　　 (69)Nora Bensahel,"Darker Shades of Gray:Why Gray Zone Conflicts Will Become More Frequent and Complex," Foreign Policy Research Institute(FPRI)E-Notes,February 13,2017,https://www.fpri.org/article/2017/02/darker-shades-gray-gray-zone-conflicts-will-become-frequent-complex/，访问时间：2018年3月20日。

　　 (70)U.S.Department of Defense,Summary of the 2018 National Defense Strategy of the United States of America:Sharpening the American Military's Competitive Edge,January 19,2018,p.5,https://www.defense.gov/Portals/1/Documents/pubs/2018-National-Defense-Strategy-Summary.pdf，访问时间：2018年3月21日。