Dyfyniad APA

Forrester, R. M. (1965). Immunization Against Whooping-cough.

Dyfyniad Arddull Chicago

Forrester, R. M. Immunization Against Whooping-cough. 1965.

Dyfyniad MLA

Forrester, R. M. Immunization Against Whooping-cough. 1965.

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