Li, C. K., Berba, M. P., Marcelo, A. M. E., & Mangorangca, M. J. (1990). College of engineering registration system: A case study. UP College of Engineering.
Lua i Stíl Chicago (17ú heag.)Li, Cherry King, Ma. Patricia Berba, Ana Maria Elena Marcelo, agus Maryam Jameelah Mangorangca. College of Engineering Registration System: A Case Study. Quezon City: UP College of Engineering, 1990.
Lua MLA (9ú heag.)Li, Cherry King, et al. College of Engineering Registration System: A Case Study. UP College of Engineering, 1990.
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