Gliessman, S. R. (1998). Agroecology: Ecologycal processes in sustainable agriculture. Chelsea, MI: Ann Arbor Press.
Dyfyniad Arddull ChicagoGliessman, Stephen R. Agroecology: Ecologycal Processes in Sustainable Agriculture. Chelsea, MI: Ann Arbor Press, 1998.
Dyfyniad MLAGliessman, Stephen R. Agroecology: Ecologycal Processes in Sustainable Agriculture. Chelsea, MI: Ann Arbor Press, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.