Dyfyniad APA

Matthews , G. .. A. (1979). Pesticide application methods. Longman group.

Dyfyniad Arddull Chicago

Matthews , G . A. Pesticide Application Methods. London: Longman group, 1979.

Dyfyniad MLA

Matthews , G . A. Pesticide Application Methods. Longman group, 1979.

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