León, A. V. L. (2011). EDUJUDGE SYSTEM HANDBOOK. HOW TO ORGANIZE PROGRAMMING COMPETITIONS IN MOODLE COURSES. Ediciones Universidad de Salamanca.
Chicago-čujuhus (17. p.)León, Ana Vanessa Leguízamo. EDUJUDGE SYSTEM HANDBOOK. HOW TO ORGANIZE PROGRAMMING COMPETITIONS IN MOODLE COURSES. Ediciones Universidad de Salamanca, 2011.
MLA-čujuhus (9. p.)León, Ana Vanessa Leguízamo. EDUJUDGE SYSTEM HANDBOOK. HOW TO ORGANIZE PROGRAMMING COMPETITIONS IN MOODLE COURSES. Ediciones Universidad de Salamanca, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.