Herman, Leonard (1997). Phoenix: the fall & rise of videogames, 2nd, Union, NJ: Rolenta Press, გვ. 20. ISBN0-9643848-2-5. ციტირების თარიღი: 16 თებერვალი, 2012. „Like Pong, Telstar could only play video tennis but it retailed at an inexpensive $50 that made it attractive to most families that were on a budget. Coleco managed to sell over a million units that year.“