APA

United States, United States, . (1991). Budget of the United States Government. Washington: Executive Office of the President, Office of Management and Budget.

Chicago

United States, United States, . 1991. Budget of the United States Government. Washington: Executive Office of the President, Office of Management and Budget.

Harvard

United States, United States, . (1991). Budget of the United States Government. Washington: Executive Office of the President, Office of Management and Budget.

MLA

United States, United States, . Budget of the United States Government. Washington: Executive Office of the President, Office of Management and Budget. 1991.