Carabacan, B. N., Dulay, O. J. S., Oblena, A. J. Z., Samson, M. M. M., & Timbang, A. A. B. (2018). Project O.H.S (Operational policy, healthy workplace and standadized services). Department of environmental and Occupational Health, College of Public Health, University of the Philippines Manila.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCarabacan, Balie N., Oliver James S. Dulay, Aaron Jairo Z. Oblena, Maria Margarita M. Samson, और Aileen A. Benitez Timbang. Project O.H.S (Operational Policy, Healthy Workplace and Standadized Services). Manila: Department of environmental and Occupational Health, College of Public Health, University of the Philippines Manila, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCarabacan, Balie N., et al. Project O.H.S (Operational Policy, Healthy Workplace and Standadized Services). Department of environmental and Occupational Health, College of Public Health, University of the Philippines Manila, 2018.