APA-ийн эшлэл(7 дахь хэвлэлт)

Hrastar, J. (2014). Liquid natural gas in the United States: A history. McFarland & Company, Inc., Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Hrastar, J. Liquid Natural Gas in the United States: A History. Jefferson, North Carolina: McFarland & Company, Inc., Publishers, 2014.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Hrastar, J. Liquid Natural Gas in the United States: A History. McFarland & Company, Inc., Publishers, 2014.