Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.