Gray, J. (2013). Venus on fire mars on ice: The Key to Love, Life and Energy. Pralibris Publishing Media.
Chicago-čujuhus (17. p.)Gray, John. Venus on Fire Mars on Ice: The Key to Love, Life and Energy. Conquitlam: Pralibris Publishing Media, 2013.
MLA-čujuhus (9. p.)Gray, John. Venus on Fire Mars on Ice: The Key to Love, Life and Energy. Pralibris Publishing Media, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.