Warwick-Ching, T. (1993). The International Gold Trade. ELSEVIER.
Cita Chicago (17th ed.)Warwick-Ching, Tony. The International Gold Trade. ELSEVIER, 1993.
Cita MLA (8th ed.)Warwick-Ching, Tony. The International Gold Trade. ELSEVIER, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.