Claudio, K., Rosales, R., Rosario, M., & Ruiz, D. R. (1997). A Methods engineering study of Italit Const. & Dev. Corp. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClaudio, Kristine, Ryan Rosales, Michael Rosario, और Dida Rowena Ruiz. A Methods Engineering Study of Italit Const. & Dev. Corp. Diliman, Quezon City: College of Engineering, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रClaudio, Kristine, et al. A Methods Engineering Study of Italit Const. & Dev. Corp. College of Engineering, 1997.
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