Banaag, M., Delfino, F., Hernandez, J., Kintanar, T., & Taylor, C. (1987). The Labelling of XY-5: A methods study. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBanaag, Manuel, Filemon Delfino, Juan Hernandez, Tagumpay Kintanar, और Carlos Taylor. The Labelling of XY-5: A Methods Study. Diliman, Quezon City: College of Engineering, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBanaag, Manuel, et al. The Labelling of XY-5: A Methods Study. College of Engineering, 1987.
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