Espenido, M. I. (2007). Processing and economics of nickel laterites. The Mindanao Forum: official journal of the MSU-Iligan Institute of Technology.
Cita Chicago (17th ed.)Espenido, Mercurio I. "Processing and Economics of Nickel Laterites." The Mindanao Forum: Official Journal of the MSU-Iligan Institute of Technology 2007.
Cita MLA (9th ed.)Espenido, Mercurio I. "Processing and Economics of Nickel Laterites." The Mindanao Forum: Official Journal of the MSU-Iligan Institute of Technology, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.