APA-viite (7. p.)
Badger, M. (2009). Scratch 1.4: Beginner's guide : learn to program while creating interactive stories, games, and multimedia projects using Scratch. Packt Pub. Ltd..
Chicago-viite (17. p.)
Badger, Michael. Scratch 1.4: Beginner's Guide : Learn to Program While Creating Interactive Stories, Games, and Multimedia Projects Using Scratch. Birmingham, UK: Packt Pub. Ltd., 2009.
MLA-viite (9. p.)
Badger, Michael. Scratch 1.4: Beginner's Guide : Learn to Program While Creating Interactive Stories, Games, and Multimedia Projects Using Scratch. Packt Pub. Ltd., 2009.
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