Carino, D. M., Granados, G., Paynor, L., & Ramos, J. (1998). An Information systems study on PHILPOST. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCarino, Don Mikhail, Geronimo Granados, Lesli Paynor, और Jun Ramos. An Information Systems Study on PHILPOST. Diliman, Quezon City: College of Engineering, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCarino, Don Mikhail, et al. An Information Systems Study on PHILPOST. College of Engineering, 1998.
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