Kaku, M. (2019). The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. Penguin Random House Group.
Chicago-viite (17. p.)Kaku, Michio. The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. London: Penguin Random House Group, 2019.
MLA-viite (9. p.)Kaku, Michio. The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. Penguin Random House Group, 2019.
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