Carlson, E. H. (1982). Kids and the TI 99/4A. Department of Physics and Astronomy.
Lua i Stíl Chicago (17ú heag.)Carlson, Edward H. Kids and the TI 99/4A. Department of Physics and Astronomy, 1982.
Lua MLA (9ú heag.)Carlson, Edward H. Kids and the TI 99/4A. Department of Physics and Astronomy, 1982.
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