United States. Bureau of Internal Revenue. (1934). Regulations 49 relating to the producers' tax on crude petroleum, tax on refining of crude petroleum, and tax on gasoline produced or recovered from natural gas under the Revenue Act of 1934. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Internal Revenue. Regulations 49 Relating to the Producers' Tax on Crude Petroleum, Tax on Refining of Crude Petroleum, and Tax on Gasoline Produced or Recovered from Natural Gas Under the Revenue Act of 1934. [Washington]: [s.n.], 1934.
MLA (9th ed.) CitationUnited States. Bureau of Internal Revenue. Regulations 49 Relating to the Producers' Tax on Crude Petroleum, Tax on Refining of Crude Petroleum, and Tax on Gasoline Produced or Recovered from Natural Gas Under the Revenue Act of 1934. [s.n.], 1934.