Dyfyniad APA

Crompton, D. (2003). Controlling disease due to helminth infections. World Health Organization.

Dyfyniad Arddull Chicago

Crompton, D.W.T. Controlling Disease Due to Helminth Infections. Geneva: World Health Organization, 2003.

Dyfyniad MLA

Crompton, D.W.T. Controlling Disease Due to Helminth Infections. World Health Organization, 2003.

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