United States. Congress. House. Committee on Armed Services. Strategic Forces Subcommittee. (2012). Sustaining GPS for national security: Hearing before the Subcommittee on Strategic Forces of the Committee on Armed Services, House of Representatives, One Hundred Twelfth Congress, first session, hearing held September 15, 2011. ProQuest.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Armed Services. Strategic Forces Subcommittee. Sustaining GPS for National Security: Hearing Before the Subcommittee on Strategic Forces of the Committee on Armed Services, House of Representatives, One Hundred Twelfth Congress, First Session, Hearing Held September 15, 2011. Bethesda, Md.: ProQuest, 2012.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Armed Services. Strategic Forces Subcommittee. Sustaining GPS for National Security: Hearing Before the Subcommittee on Strategic Forces of the Committee on Armed Services, House of Representatives, One Hundred Twelfth Congress, First Session, Hearing Held September 15, 2011. ProQuest, 2012.