Productivity : hearings before the Joint Economic Committee, Congress of the United States, Ninety-sixth Congress, first session, June 5 and 6, 1979.

MLA

United States. Productivity : hearings before the Joint Economic Committee, Congress of the United States, Ninety-sixth Congress, first session, June 5 and 6, 1979. Washington : U.S. Government Printing Office, 1979.

APA

United States. (1979). Productivity : hearings before the Joint Economic Committee, Congress of the United States, Ninety-sixth Congress, first session, June 5 and 6, 1979. Washington : U.S. Government Printing Office.

Chicago

United States. Productivity : hearings before the Joint Economic Committee, Congress of the United States, Ninety-sixth Congress, first session, June 5 and 6, 1979. Washington : U.S. Government Printing Office, 1979.