Não informado. (2017). The Petroleum Engineer. Petroleum Engineer Publishing.
Style de citation Chicago (17e éd.)Não informado. The Petroleum Engineer. Dallas, Tex: Petroleum Engineer Publishing, 2017.
Style de citation MLA (8e éd.)Não informado. The Petroleum Engineer. Petroleum Engineer Publishing, 2017.
Attention : ces citations peuvent ne pas être correctes à 100%.