Apaya, A., Domingo, K., Gonzalez, J., & Misalucha, A. (1990). A System study of the order entry of Pure Foods Corporation. College of Engineering.
Chicago Style (17. basım) AtıfApaya, Alvin, Kenneth Domingo, Jerome Gonzalez, ve Alvin Misalucha. A System Study of the Order Entry of Pure Foods Corporation. Diliman, Quezon City: College of Engineering, 1990.
MLA (9th ed.) AtıfApaya, Alvin, et al. A System Study of the Order Entry of Pure Foods Corporation. College of Engineering, 1990.
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