APA-viite (7. p.)
Hrastar, J. (2014). Liquid natural gas in the United States: A history. McFarland & Company, Inc., Publishers.
Chicago-viite (17. p.)
Hrastar, J. Liquid Natural Gas in the United States: A History. Jefferson, North Carolina: McFarland & Company, Inc., Publishers, 2014.
MLA-viite (9. p.)
Hrastar, J. Liquid Natural Gas in the United States: A History. McFarland & Company, Inc., Publishers, 2014.
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