Kabiling, G. D. (2020). Russia may tap 1,000 Filipino volunteers for Sputnik V COVID-19 vaccine trials in PH. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Kabiling, Genalyn D. "Russia May Tap 1,000 Filipino Volunteers for Sputnik V COVID-19 Vaccine Trials in PH." Manila Bulletin 2020.
Lua MLA (9ú heag.)Kabiling, Genalyn D. "Russia May Tap 1,000 Filipino Volunteers for Sputnik V COVID-19 Vaccine Trials in PH." Manila Bulletin, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.