United States. Energy Information Administration. Office of Oil and Gas. (1994). Petroleum marketing annual. The Office : Supt. of Docs., U.S. G.P.O. [distributor.
Chicago-čujuhus (17. p.)United States. Energy Information Administration. Office of Oil and Gas. Petroleum Marketing Annual. Washington, D.C.: The Office : Supt. of Docs., U.S. G.P.O. [distributor, 1994.
MLA-čujuhus (9. p.)United States. Energy Information Administration. Office of Oil and Gas. Petroleum Marketing Annual. The Office : Supt. of Docs., U.S. G.P.O. [distributor, 1994.
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