Espenido, M. I. (2007). Processing and economics of nickel laterites. The Mindanao Forum: official journal of the MSU-Iligan Institute of Technology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEspenido, Mercurio I. "Processing and Economics of Nickel Laterites." The Mindanao Forum: Official Journal of the MSU-Iligan Institute of Technology 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEspenido, Mercurio I. "Processing and Economics of Nickel Laterites." The Mindanao Forum: Official Journal of the MSU-Iligan Institute of Technology, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.