APA

United States, . (2001). Fossil energy R&D project data based. Washington,D.C: U.S. Dept. of Energy, Office of Fossil Energy.

Chicago

United States, . 2001. Fossil energy R&D project data based. Washington,D.C: U.S. Dept. of Energy, Office of Fossil Energy.

Harvard

United States, . (2001). Fossil energy R&D project data based. Washington,D.C: U.S. Dept. of Energy, Office of Fossil Energy.

MLA

United States, . Fossil energy R&D project data based. Washington,D.C: U.S. Dept. of Energy, Office of Fossil Energy. 2001.