Carpio, J. R., Olaso, R. M. H., & Santiago, M. A. D. (1985). Information system study on the U.P Budget Office. College of Engineering.
Chicago-viite (17. p.)Carpio, Joseph R., Rosana Montinna H. Olaso, ja Marissa Alice D.G Santiago. Information System Study on the U.P Budget Office. Diliman, Quezon City: College of Engineering, 1985.
MLA-viite (9. p.)Carpio, Joseph R., et al. Information System Study on the U.P Budget Office. College of Engineering, 1985.
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