Dyfyniad APA
ebrary, Inc, & Burkheisser, E. V. (2010). Biological barriers to cellulosic ethanol. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, and Ernest V. Burkheisser. Biological Barriers to Cellulosic Ethanol. New York: Nova Science Publishers, 2010.
Dyfyniad MLA
ebrary, Inc, and Ernest V. Burkheisser. Biological Barriers to Cellulosic Ethanol. Nova Science Publishers, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.