Hrastar, J. (2014). Liquid natural gas in the United States: A history. McFarland & Company, Inc., Publishers.
Lua i Stíl Chicago (17ú heag.)Hrastar, J. Liquid Natural Gas in the United States: A History. Jefferson, North Carolina: McFarland & Company, Inc., Publishers, 2014.
Lua MLA (9ú heag.)Hrastar, J. Liquid Natural Gas in the United States: A History. McFarland & Company, Inc., Publishers, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.