Buenaventura, L. I., Cardenas, D. P. F., & David, J. V. E. (2001). A feasibility study on Green Leaf Paper Company. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBuenaventura, Luis III, Dorothy Patricia F. Cardenas, और Joseph Vincent E. David. A Feasibility Study on Green Leaf Paper Company. Diliman, Quezon City: College of Engineering, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBuenaventura, Luis III, et al. A Feasibility Study on Green Leaf Paper Company. College of Engineering, 2001.
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