(澳)托比·奥德(Toby Ord)著. (2021). 危崖：生存性风险与人类的未来：existential risk and the future of humanity. 中信出版集团股份有限公司.
Chicago (17e ed.) Bronvermelding(澳)托比·奥德(Toby Ord)著. 危崖：生存性风险与人类的未来：existential Risk and the Future of Humanity. 中信出版集团股份有限公司, 2021.
MLA (8e ed.) Bronvermelding(澳)托比·奥德(Toby Ord)著. 危崖：生存性风险与人类的未来：existential Risk and the Future of Humanity. 中信出版集团股份有限公司, 2021.
Let op: Deze citaties zijn niet altijd 100% accuraat.