Lua APA (7ú heag.)

Johnson, A. M. (1967). Petroleum pipelines and public policy, 1906-1959. Harvard university press.

Lua i Stíl Chicago (17ú heag.)

Johnson, Arthur Menzies. Petroleum Pipelines and Public Policy, 1906-1959. Cambridge, Mass.: Harvard university press, 1967.

Lua MLA (8ú heag.)

Johnson, Arthur Menzies. Petroleum Pipelines and Public Policy, 1906-1959. Harvard university press, 1967.

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