APA (7 वां संस्करण) प्रशस्ति पत्र

Tupas, E., Felipe, C. S., Servallos, N. J., & Santos, R. (2021). Gov't prodded to act on vaccine tripartite agreements. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Tupas, Emmanuel, Cecille Suerte Felipe, Neil Jayson Servallos, और Rudy Santos. "Gov't Prodded to Act on Vaccine Tripartite Agreements." Philippine Star 2021.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Tupas, Emmanuel, et al. "Gov't Prodded to Act on Vaccine Tripartite Agreements." Philippine Star, 2021.