Dyfyniad APA

(1997). Precision agriculture in the 21st century: Geospatial and information technologies in crop management. Washington, D.C: National Academy Press.

Dyfyniad Arddull Chicago

Precision Agriculture in the 21st Century: Geospatial and Information Technologies in Crop Management. Washington, D.C: National Academy Press, 1997.

Dyfyniad MLA

Precision Agriculture in the 21st Century: Geospatial and Information Technologies in Crop Management. Washington, D.C: National Academy Press, 1997.

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