Dyfyniad APA
ebrary, Inc, & Raney, B. D. (2010). Arctic natural resources. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, and Brian D. Raney. Arctic Natural Resources. New York: Nova Science Publishers, 2010.
Dyfyniad MLA
ebrary, Inc, and Brian D. Raney. Arctic Natural Resources. Nova Science Publishers, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.