Não informado. (1949). Petroleum Engineer International. Harcourt Brace Jovanovich Publications.
Style de citation Chicago (17e éd.)Não informado. Petroleum Engineer International. Dallas, Tex: Harcourt Brace Jovanovich Publications, 1949.
Style de citation MLA (8e éd.)Não informado. Petroleum Engineer International. Harcourt Brace Jovanovich Publications, 1949.
Attention : ces citations peuvent ne pas être correctes à 100%.