Dyfyniad APA

D'Souza, R. S., & Wolfe, I. (2021). COVID-19 vaccines in high-risk ethnic groups. Lancet.

Dyfyniad Arddull Chicago

D'Souza, Rashmi S., and Ingrid Wolfe. "COVID-19 Vaccines in High-risk Ethnic Groups." Lancet 2021.

Dyfyniad MLA

D'Souza, Rashmi S., and Ingrid Wolfe. "COVID-19 Vaccines in High-risk Ethnic Groups." Lancet 2021.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.