Haller, S. F. (2002). Apocalypse soon?: Wagering on warnings of global catastrophe. McGill-Queen's University Press.
Tohutoru Kātū Chicago (17th ed.)Haller, Stephen F. Apocalypse Soon?: Wagering on Warnings of Global Catastrophe. Montreal: McGill-Queen's University Press, 2002.
Tohutoro MLA (9th ed.)Haller, Stephen F. Apocalypse Soon?: Wagering on Warnings of Global Catastrophe. McGill-Queen's University Press, 2002.
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