Dyfyniad APA

ebrary, Inc, & Ellman, M. (2006). Russia's oil and natural gas: Bonanza or curse? Anthem Press.

Dyfyniad Arddull Chicago

ebrary, Inc, and Michael Ellman. Russia's Oil and Natural Gas: Bonanza or Curse? London ; New York: Anthem Press, 2006.

Dyfyniad MLA

ebrary, Inc, and Michael Ellman. Russia's Oil and Natural Gas: Bonanza or Curse? Anthem Press, 2006.

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