Dyfyniad APA

(2013). Erratum, Vol. 10, January 24 Release. Centers for Disease Control and Prevention.

Dyfyniad Arddull Chicago

Erratum, Vol. 10, January 24 Release. Centers for Disease Control and Prevention, 2013.

Dyfyniad MLA

Erratum, Vol. 10, January 24 Release. Centers for Disease Control and Prevention, 2013.

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