University of the Philippines Diliman. Information Technology Training Center, Salvio, S. J., Carreon, M., & Paje, P. (2012). Service science, management and engineering. DZUP.
Chicago-referens (17:e uppl.)University of the Philippines Diliman. Information Technology Training Center, Sarah Joy Salvio, Mario Carreon, och Paulo Paje. Service Science, Management and Engineering. Quezon City: DZUP, 2012.
MLA-referens (9:e uppl.)University of the Philippines Diliman. Information Technology Training Center, et al. Service Science, Management and Engineering. DZUP, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.