Dyfyniad APA

Matthews, R., & Stephens, W. (2002). Crop Soil simulation Models: Applications in developing Countries. Cabi Publishing.

Dyfyniad Arddull Chicago

Matthews, Robin, and William Stephens. Crop Soil Simulation Models: Applications in Developing Countries. U.K: Cabi Publishing, 2002.

Dyfyniad MLA

Matthews, Robin, and William Stephens. Crop Soil Simulation Models: Applications in Developing Countries. Cabi Publishing, 2002.

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