Kernot, C. (2000). The Coal Industry. ELSEVIER.
Cita Chicago (17th ed.)Kernot, Charles. The Coal Industry. ELSEVIER, 2000.
Cita MLA (8th ed.)Kernot, Charles. The Coal Industry. ELSEVIER, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)