Dyfyniad APA

World Health Organization & World Health Organization. Cypermethrin, alpha- (EHC 142, 1992).

Dyfyniad Arddull Chicago

World Health Organization and World Health Organization. Cypermethrin, Alpha- (EHC 142, 1992).

Dyfyniad MLA

World Health Organization and World Health Organization. Cypermethrin, Alpha- (EHC 142, 1992).

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