University of the Philippines Diliman. College of Engineering, Matias, A., Reyes, G., & Gonzalez, J. I. (2012). Downstream industry ng tanso o copper. DZUP.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of the Philippines Diliman. College of Engineering, Aura Matias, Gerard Reyes, और John Ivan Gonzalez. Downstream Industry Ng Tanso O Copper. Quezon City: DZUP, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUniversity of the Philippines Diliman. College of Engineering, et al. Downstream Industry Ng Tanso O Copper. DZUP, 2012.
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