Alejandro, C. M., Ang, S., Pon-an, E., & Salva, C. (1999). VLI Leadership Institute: An Information System Study. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAlejandro, Cherrie May, Sheila Ang, Elsie Pon-an, और Claire Salva. VLI Leadership Institute: An Information System Study. Diliman, Quezon City: College of Engineering, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAlejandro, Cherrie May, et al. VLI Leadership Institute: An Information System Study. College of Engineering, 1999.
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