APA-ийн эшлэл(7 дахь хэвлэлт)

Powers, B. (2013). Cold, hungry and in the dark: Exploding the natural gas supply myth. New Society Publishers.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Powers, Bill. Cold, Hungry and in the Dark: Exploding the Natural Gas Supply Myth. Gabriola, BC: New Society Publishers, 2013.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Powers, Bill. Cold, Hungry and in the Dark: Exploding the Natural Gas Supply Myth. New Society Publishers, 2013.