Dyfyniad APA

(1987). Pesticides: Minimizing the risks. Washington, DC: American Chemical Society.

Dyfyniad Arddull Chicago

Pesticides: Minimizing the Risks. Washington, DC: American Chemical Society, 1987.

Dyfyniad MLA

Pesticides: Minimizing the Risks. Washington, DC: American Chemical Society, 1987.

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