1. Energy Information Agency. Annual energy outlook 2009 (early release). Report #: DOE/EIA-0383(2009); December, 2008.
2. Defense Energy Support Center. Fact book 2007. 13th ed.
3. Department of Defense Directive, Number 4140.43, Fuel standardization; March 11, 1988.
4. Department of Defense Directive. Number 4140.25, DoD management policy for energy commodities and related services; April 20, 1999.
5. Stucker JP, Schank JF, Dombey-Moore B. Assessment of DoD fuel standardization policies, National Defense Research Institute; February 23, 1995. ISBN: 0-8330-1546-X.