Dyfyniad APA

Bradley, D. P., & Lothner, D. C. (1987). Achieving wood energy potentials: Evidence in Northeastern Minnesota. North Central Forest Experiment Station.

Dyfyniad Arddull Chicago

Bradley, Dennis P., and David C. Lothner. Achieving Wood Energy Potentials: Evidence in Northeastern Minnesota. Minnesota: North Central Forest Experiment Station, 1987.

Dyfyniad MLA

Bradley, Dennis P., and David C. Lothner. Achieving Wood Energy Potentials: Evidence in Northeastern Minnesota. North Central Forest Experiment Station, 1987.

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