APA

United States, . (1983). Economics of natural gas deregulation: hearings before the Joint Economic Committee, Congress of the United States, Ninety-eighth Congress, first session, February 7 and April 15, 1983. Washington: U.S. Government Printing Office.

Chicago

United States, . 1983. Economics of natural gas deregulation: hearings before the Joint Economic Committee, Congress of the United States, Ninety-eighth Congress, first session, February 7 and April 15, 1983. Washington: U.S. Government Printing Office.

Harvard

United States, . (1983). Economics of natural gas deregulation: hearings before the Joint Economic Committee, Congress of the United States, Ninety-eighth Congress, first session, February 7 and April 15, 1983. Washington: U.S. Government Printing Office.

MLA

United States, . Economics of natural gas deregulation: hearings before the Joint Economic Committee, Congress of the United States, Ninety-eighth Congress, first session, February 7 and April 15, 1983. Washington: U.S. Government Printing Office. 1983.