Mendoza, . R. (2021). Sputnik V showed high, lingering efficacy vs Covid-19 – study. Manila Times.
Dyfyniad Arddull ChicagoMendoza, Red. "Sputnik V Showed High, Lingering Efficacy Vs Covid-19 – Study." Manila Times 2021.
Dyfyniad MLAMendoza, Red. "Sputnik V Showed High, Lingering Efficacy Vs Covid-19 – Study." Manila Times, 2021.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.