Apacible, E., Lino, R. P., Manahan, R. G., Maravillas, M. C., & Ventura, F. R. (1991). Resealable packaging: A project feasibility study. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रApacible, Editha, Raul Peter Lino, Roderio Gerard Manahan, Ma. Carmela Maravillas, और Fidelito Raymund Ventura. Resealable Packaging: A Project Feasibility Study. Diliman, Quezon City: College of Engineering, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रApacible, Editha, et al. Resealable Packaging: A Project Feasibility Study. College of Engineering, 1991.
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