United States. Congressional Budget Office & ebrary, Inc. (2009). The budget and economic outlook: Fiscal years 2008 to 2018. Nova Science Publishers, Inc..
Cita Chicago (17th ed.)United States. Congressional Budget Office i Inc ebrary. The Budget and Economic Outlook: Fiscal Years 2008 to 2018. New York: Nova Science Publishers, Inc., 2009.
Cita MLA (9th ed.)United States. Congressional Budget Office i Inc ebrary. The Budget and Economic Outlook: Fiscal Years 2008 to 2018. Nova Science Publishers, Inc., 2009.
Atenció: Aquestes cites poden no estar 100% correctes.