Macabingkil, M., Padre, I., Pendel, V., & Perez, D. (2003). An Industrial systems study on the Sea Freight Department of X Freight Company. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacabingkil, Marianne, Ida Padre, Vivien Pendel, और Diane Perez. An Industrial Systems Study on the Sea Freight Department of X Freight Company. Diliman, Quezon City: College of Engineering, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMacabingkil, Marianne, et al. An Industrial Systems Study on the Sea Freight Department of X Freight Company. College of Engineering, 2003.
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