ebrary, Inc, & Ellman, M. (2006). Russia's oil and natural gas: Bonanza or curse? Anthem Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Michael Ellman. Russia's Oil and Natural Gas: Bonanza or Curse? London ; New York: Anthem Press, 2006.
Lua MLA (9ú heag.)ebrary, Inc, agus Michael Ellman. Russia's Oil and Natural Gas: Bonanza or Curse? Anthem Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.