Dyfyniad APA

(2002). Many herbicides and pesticides may do more harm than good. Manila Bulletin.

Dyfyniad Arddull Chicago

"Many Herbicides and Pesticides May Do More Harm than Good." Manila Bulletin 2002.

Dyfyniad MLA

"Many Herbicides and Pesticides May Do More Harm than Good." Manila Bulletin, 2002.

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