Prain, R. L. (1975). Copper: The anatomy of an industry. Mining Journal Books.
Cita Chicago (17th ed.)Prain, Ronald L. Copper: The Anatomy of an Industry. London: Mining Journal Books, 1975.
Cita MLA (9th ed.)Prain, Ronald L. Copper: The Anatomy of an Industry. Mining Journal Books, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.