Budd, T. (2002). An introduction to object-oriented programming (3rd ed.). Pearson/Addison-Wesley.
Chicago-viite (17. p.)Budd, Timothy. An Introduction to Object-oriented Programming. 3rd ed. Boston ; New Delhi: Pearson/Addison-Wesley, 2002.
MLA-viite (8. p.)Budd, Timothy. An Introduction to Object-oriented Programming. 3rd ed. Pearson/Addison-Wesley, 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.