Style de citation APA (7e éd.)

Andres, D. (1950). Comments on the Bell Report as it relates to the mining industry, and recommendations. [s.n.].

Style de citation Chicago (17e éd.)

Andres, Demetrio. Comments on the Bell Report as It Relates to the Mining Industry, and Recommendations. Manila: [s.n.], 1950.

Style de citation MLA (9e éd.)

Andres, Demetrio. Comments on the Bell Report as It Relates to the Mining Industry, and Recommendations. [s.n.], 1950.