1998 Yankees Diary: Andy Pettitte owns the mound - Pinstripe Alley
Andy Pettitte – Society for American Baseball Research
Yankees' Andy Pettitte Announces Retirement: A 5-Time World Champion, News, Scores, Highlights, Stats, and Rumors
Pettitte to announce retirement from baseball: report
With a Win, the Ending to Pettitte's Illustrious Career Is Complete - The New York Times
Mel Antonen: Voters say Andy Pettitte comes up short by Hall of Fame standards - Sports Illustrated
Why Andy Pettitte deserves to make the Hall of Fame - Pinstripe Alley
Baseball Notes: Pettitte to announce his retirement
Andy Pettitte: Andy Pettitte's 2007 take on PED use: I tried HGH. Though it was not against baseball rules, I was not comfortable with what I was doing