University of the Philippines Diliman. Information Technology Training Center, Salvio, S. J., Carreon, M., & Paje, P. (2012). Service science, management and engineering. DZUP.
Chicago Style (17. basım) AtıfUniversity of the Philippines Diliman. Information Technology Training Center, Sarah Joy Salvio, Mario Carreon, ve Paulo Paje. Service Science, Management and Engineering. Quezon City: DZUP, 2012.
MLA (9th ed.) AtıfUniversity of the Philippines Diliman. Information Technology Training Center, et al. Service Science, Management and Engineering. DZUP, 2012.
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