United States. Congress. Joint Economic Committee & ProQuest (Firm). (1990). Public investment in human and physical infrastructure: Hearing before the Joint Economic Committee, Congress of the United States, One Hundred First Congress, first session, July 19, 1989. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Joint Economic Committee and ProQuest (Firm). Public Investment in Human and Physical Infrastructure: Hearing Before the Joint Economic Committee, Congress of the United States, One Hundred First Congress, First Session, July 19, 1989. Washington: U.S. G.P.O., 1990.
MLA (9th ed.) CitationUnited States. Congress. Joint Economic Committee and ProQuest (Firm). Public Investment in Human and Physical Infrastructure: Hearing Before the Joint Economic Committee, Congress of the United States, One Hundred First Congress, First Session, July 19, 1989. U.S. G.P.O., 1990.