Olvidado, I., Po, R., Tan, K., & Tiongson, C. (2003). An Industrial systems design on Walter Mart (E. Rodriguez Branch). College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOlvidado, Ingrid, Ronald Po, Katheryn Tan, और Ciselle Tiongson. An Industrial Systems Design on Walter Mart (E. Rodriguez Branch). Diliman, Quezon City: College of Engineering, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOlvidado, Ingrid, et al. An Industrial Systems Design on Walter Mart (E. Rodriguez Branch). College of Engineering, 2003.
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