Botuyan, M. J., Mamutuk, N. R., Rivera, M. R., & Saquing, F. (1993). An Information systems study on Philex Mining Corporation. College of Engineering.
Chicagoスタイル(17版)引用形式Botuyan, Mary Jean, Nattalie R. Mamutuk, Mary Ruby Rivera, , Flordeliz Saquing. An Information Systems Study on Philex Mining Corporation. Diliman, Quezon City: College of Engineering, 1993.
MLA(9版)引用形式Botuyan, Mary Jean, et al. An Information Systems Study on Philex Mining Corporation. College of Engineering, 1993.
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