Mendoza, . R. (2021). Sputnik V showed high, lingering efficacy vs Covid-19 – study. Manila Times.
Chicago Style aipamenaMendoza, Red. "Sputnik V Showed High, Lingering Efficacy Vs Covid-19 – Study." Manila Times 2021.
MLA aipamenaMendoza, Red. "Sputnik V Showed High, Lingering Efficacy Vs Covid-19 – Study." Manila Times, 2021.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.