Hawking. (2005, April 17). Retrieved June 15, 2025, from http://www.essayworld.com/essays/Hawking/25521
"Hawking." Essayworld.com. Essayworld.com, 17 Apr. 2005. Web. 15 Jun. 2025. <http://www.essayworld.com/essays/Hawking/25521>
"Hawking." Essayworld.com. April 17, 2005. Accessed June 15, 2025. http://www.essayworld.com/essays/Hawking/25521.
"Hawking." Essayworld.com. April 17, 2005. Accessed June 15, 2025. http://www.essayworld.com/essays/Hawking/25521.