Ferguson, K. (2012). Stephen Hawking: His life and work : the story and science of one of the most extraordinary, celebrated and courageous figures of our time. Bantam.
Chicago-viite (17. p.)Ferguson, Kitty. Stephen Hawking: His Life and Work : The Story and Science of One of the Most Extraordinary, Celebrated and Courageous Figures of Our Time. London: Bantam, 2012.
MLA-viite (8. p.)Ferguson, Kitty. Stephen Hawking: His Life and Work : The Story and Science of One of the Most Extraordinary, Celebrated and Courageous Figures of Our Time. Bantam, 2012.
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