Cita APA (7a ed.)

Badger, M. (2009). Scratch 1.4 Beginner?s Guide: Beginner's Guide. Packt Pub..

Cita Chicago Style (17a ed.)

Badger, Michael. Scratch 1.4 Beginner?s Guide: Beginner's Guide. Birmingham: Packt Pub., 2009.

Cita MLA (8a ed.)

Badger, Michael. Scratch 1.4 Beginner?s Guide: Beginner's Guide. Packt Pub., 2009.