Dyfyniad APA

European Heart Journal: Case Reports | Oxford University Press. Cambridge University Press.

Dyfyniad Arddull Chicago

European Heart Journal: Case Reports | Oxford University Press. Cambridge University Press.

Dyfyniad MLA

European Heart Journal: Case Reports | Oxford University Press. Cambridge University Press.

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