Gray, J. (2013). Venus on fire mars on ice: The Key to Love, Life and Energy. Pralibris Publishing Media.
Chicagoスタイル(17版)引用形式Gray, John. Venus on Fire Mars on Ice: The Key to Love, Life and Energy. Conquitlam: Pralibris Publishing Media, 2013.
MLA(9版)引用形式Gray, John. Venus on Fire Mars on Ice: The Key to Love, Life and Energy. Pralibris Publishing Media, 2013.
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