United States Congress. Joint Economic Committee. Subcommittee on Energy. (1977). Multinational oil companies and OPEC, implication for U.S. policy: Hearings before the Subcommittee on Energy of the Joint Economic Committee, Congress of the United States, Ninety-fourth Congress, second session. Washington: U.S. Govt. Print. Off..
Παραπομπή Chicago StyleUnited States Congress. Joint Economic Committee. Subcommittee on Energy. Multinational Oil Companies and OPEC, Implication for U.S. Policy: Hearings Before the Subcommittee On Energy of the Joint Economic Committee, Congress of the United States, Ninety-fourth Congress, Second Session. Washington: U.S. Govt. Print. Off., 1977.
Παραπομπή MLAUnited States Congress. Joint Economic Committee. Subcommittee on Energy. Multinational Oil Companies and OPEC, Implication for U.S. Policy: Hearings Before the Subcommittee On Energy of the Joint Economic Committee, Congress of the United States, Ninety-fourth Congress, Second Session. Washington: U.S. Govt. Print. Off., 1977.