Ampo, F. Z., Apostol, A. C. B., Gonzales, I. N. M., Salunat, J. M. G., & Varon, M. G. (1990). Project feasibility study of ready-mixed coffee in cubes. College of Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmpo, Felzella Z., Arnold Cecilio B. Apostol, Imelda Nicole M. Gonzales, Joyce Marie G. Salunat, और Melanie G. Varon. Project Feasibility Study of Ready-mixed Coffee in Cubes. Diliman, Quezon City: College of Engineering, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmpo, Felzella Z., et al. Project Feasibility Study of Ready-mixed Coffee in Cubes. College of Engineering, 1990.
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