Dyfyniad APA

(1994). Guide to drug, Vaccine, and pesticide use in aquaculture. USA: Texas Agricultural Extension Service.

Dyfyniad Arddull Chicago

Guide to Drug, Vaccine, and Pesticide Use in Aquaculture. USA: Texas Agricultural Extension Service, 1994.

Dyfyniad MLA

Guide to Drug, Vaccine, and Pesticide Use in Aquaculture. USA: Texas Agricultural Extension Service, 1994.

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