Cita APA (7th ed.)
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..
Cita Chicago (17th ed.)
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.
Cita MLA (9th ed.)
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.
Atenció: Aquestes cites poden no estar 100% correctes.