Dicdican, R. Y., Leyva, R. G., Padua, G. O., & Pira, M. C. P. (1993). An Information systems study on Blue Cross Health Care, Inc. College of Engineering.
Chicago Style (17. basım) AtıfDicdican, Ruth Y., Ruby Gisela Leyva, George O. Padua, ve Ma. Cristina P. Pira. An Information Systems Study on Blue Cross Health Care, Inc. Diliman, Quezon City: College of Engineering, 1993.
MLA (9th ed.) AtıfDicdican, Ruth Y., et al. An Information Systems Study on Blue Cross Health Care, Inc. College of Engineering, 1993.
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