Leslie, J. (1998). The end of the world: The science and ethics of human extinction. Routledge.
Cita Chicago (17th ed.)Leslie, John. The End of the World: The Science and Ethics of Human Extinction. New York: Routledge, 1998.
Cita MLA (9th ed.)Leslie, John. The End of the World: The Science and Ethics of Human Extinction. Routledge, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.