University of the Philippines Diliman. Information Technology Training Center, Salvio, S. J., Carreon, M., & Paje, P. (2012). Service science, management and engineering. DZUP.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of the Philippines Diliman. Information Technology Training Center, Sarah Joy Salvio, Mario Carreon, و Paulo Paje. Service Science, Management and Engineering. Quezon City: DZUP, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)University of the Philippines Diliman. Information Technology Training Center, et al. Service Science, Management and Engineering. DZUP, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.