Leslie, J. (1996). The end of the World: The science and ethics of human extinction. Routledge.
Chicago Style (17th ed.) ZitazioaLeslie, John. The End of the World: The Science and Ethics of Human Extinction. London: Routledge, 1996.
MLA (9th ed.) ZitazioaLeslie, John. The End of the World: The Science and Ethics of Human Extinction. Routledge, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.