Dyfyniad APA
ebrary, Inc, & Rengel, Z. (2013). Improving water and nutrient-use efficiency in food production systems. John Wiley & Sons, Inc..
Dyfyniad Arddull Chicago
ebrary, Inc, and Zdenko Rengel. Improving Water and Nutrient-use Efficiency in Food Production Systems. Ames, Iowa: John Wiley & Sons, Inc., 2013.
Dyfyniad MLA
ebrary, Inc, and Zdenko Rengel. Improving Water and Nutrient-use Efficiency in Food Production Systems. John Wiley & Sons, Inc., 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.