Caldwell, S. L., & Wilshusen, G. C. (2014). Critical infrastructure protection, observations on key factors in DHS's implementation of its partnership approach: Testimony before the Committee on Homeland Security and Governmental Affairs, U.S. Senate. United States Government Accountability Office.
Chicago Style (17th ed.) CitationCaldwell, Stephen L., and Gregory C. Wilshusen. Critical Infrastructure Protection, Observations on Key Factors in DHS's Implementation of Its Partnership Approach: Testimony Before the Committee on Homeland Security and Governmental Affairs, U.S. Senate. [Washington, D.C.]: United States Government Accountability Office, 2014.
MLA (9th ed.) CitationCaldwell, Stephen L., and Gregory C. Wilshusen. Critical Infrastructure Protection, Observations on Key Factors in DHS's Implementation of Its Partnership Approach: Testimony Before the Committee on Homeland Security and Governmental Affairs, U.S. Senate. United States Government Accountability Office, 2014.