Dyfyniad APA

 Klass, D. L. (1998).  Biomass for renewable energy, fuels, and chemicals.  Academic Press.

Dyfyniad Arddull Chicago

 Klass, Donald L.  Biomass for Renewable Energy, Fuels, and Chemicals.  Academic Press, 1998.

Dyfyniad MLA

 Klass, Donald L.  Biomass for Renewable Energy, Fuels, and Chemicals.  Academic Press, 1998.

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