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. San Diego: 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.