U.S. imports and exports of natural gas /
prepared in the Office of Oil and Gas Statistics.
APA Citation
United States. Energy Information Administration. Office of Oil and Gas., United States. Energy Information Administration. Office of Oil and Gas Statistics. (19801982). U.S. imports and exports of natural gas. Washington, D.C.: Dept. of Energy, Energy Information Administration.
MLA Citation
United States. Energy Information Administration. Office of Oil and Gas, and United States. Energy Information Administration. Office of Oil and Gas Statistics. U.S. Imports And Exports of Natural Gas. Washington, D.C.: Dept. of Energy, Energy Information Administration, 19801982.
Warning: These citations may not always be complete (especially for serials).