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.
Dyfyniad Arddull ChicagoDicdican, Ruth Y., Ruby Gisela Leyva, George O. Padua, and Ma. Cristina P. Pira. An Information Systems Study on Blue Cross Health Care, Inc. Diliman, Quezon City: College of Engineering, 1993.
Dyfyniad MLADicdican, Ruth Y., et al. An Information Systems Study on Blue Cross Health Care, Inc. College of Engineering, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.