Dyfyniad APA

Hillel, D. (1972). Optimizing the soil physical environment toward greater crop yields. New York: Academic Press.

Dyfyniad Arddull Chicago

Hillel, Daniel. Optimizing the Soil Physical Environment Toward Greater Crop Yields. New York: Academic Press, 1972.

Dyfyniad MLA

Hillel, Daniel. Optimizing the Soil Physical Environment Toward Greater Crop Yields. New York: Academic Press, 1972.

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