!!!Atari Basic Source Book * PDF [http://www.atarimania.com/documents/The-Atari-BASIC-Source-Book.pdf] * TOC [The Atari Basic source book/How-atari-basic-works-toc.html|The Atari Basic Source Book] * Part 1 [The Atari Basic Source Book/How-atari-basic-works-p1.html|The Atari Basic Source Book] * Part 2 [The Atari Basic Source Book/How-atari-basic-works-p2.html|The Atari Basic Source Book] * Part 3 [The Atari Basic Source Book/How-atari-basic-works-p3.html|The Atari Basic Source Book] * Appendix [The Atari Basic Source Book/How-atari-basic-works-app.html|The Atari Basic Source Book] * Index [The Atari Basic Source Book/How-atari-basic-works-ndx.html|The Atari Basic Source Book]