RON. (1991). Ms Dos Works An Introduction To Microsoft Works For Ibm Pc's And Compatibles Ron, Helen Oliver. Napier.
Lua i Stíl Chicago (17ú heag.)RON. Ms Dos Works An Introduction To Microsoft Works For Ibm Pc's And Compatibles Ron, Helen Oliver. Napier, 1991.
Lua MLA (8ú heag.)RON. Ms Dos Works An Introduction To Microsoft Works For Ibm Pc's And Compatibles Ron, Helen Oliver. Napier, 1991.
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