^Boutros, Daniel. Sonic the Hedgehog 2. A Detailed Cross-Examination of Yesterday and Today's Best-Selling Platform Games. Gamasutra: 5. 2006-08-04 [2006-12-08]. (原始内容存档于2012-02-25).
^Cifaldi, Frank. Retronauts Episode 91: A Tengen Family Reunion. Frank Cifaldi talks to rebellious NES game developers Franz Lanzinger (Toobin', Ms. Pac-Man), Steve Woita (Super Sprint, Police Academy) and Mark Morris (Hard Drivin', 007: License to Kill) about the old days. 1up.com. [2010-09-27]. (原始内容存档于2012-10-16).
^Masterpiece Album. Development staff interview with Ryouichi Hasegawa, published by Sega of Japan. 世嘉公司. [2010-08-31]. (原始内容存档于2008-03-06).
^Masterpiece Album (English translation). English translation of the development staff interview with Ryouichi Hasegawa as published by Sega of Japan. romhacking.net. [2010-08-31]. (原始内容存档于2012-02-29).