Farell, J. (2007). Programming logic and design comprehensive (4th ed.). Thomson Course Technology.
Lua i Stíl Chicago (17ú heag.)Farell, Joyce. Programming Logic and Design Comprehensive. 4th ed. Massachusetts, USA: Thomson Course Technology, 2007.
Lua MLA (9ú heag.)Farell, Joyce. Programming Logic and Design Comprehensive. 4th ed. Thomson Course Technology, 2007.
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