Dyfyniad APA

Schneider. Public Health. Rutgers University Press.

Dyfyniad Arddull Chicago

Schneider. Public Health. Rutgers University Press.

Dyfyniad MLA

Schneider. Public Health. Rutgers University Press.

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