BUDD, T. (2002). An Introduction to Object-Oriented Programming. Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)BUDD, Timothy. An Introduction to Object-Oriented Programming. Addison-Wesley, 2002.
Lua MLA (8ú heag.)BUDD, Timothy. An Introduction to Object-Oriented Programming. Addison-Wesley, 2002.
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