APA

United States, . (1994). Emissions of greenhouse gases in the United States. Washington,D.C: Energy Information Administration, Office of Energy Markets and End Use, U.S. dept. of Energy.

Chicago

United States, . 1994. Emissions of greenhouse gases in the United States. Washington,D.C: Energy Information Administration, Office of Energy Markets and End Use, U.S. dept. of Energy.

Harvard

United States, . (1994). Emissions of greenhouse gases in the United States. Washington,D.C: Energy Information Administration, Office of Energy Markets and End Use, U.S. dept. of Energy.

MLA

United States, . Emissions of greenhouse gases in the United States. Washington,D.C: Energy Information Administration, Office of Energy Markets and End Use, U.S. dept. of Energy. 1994.