Aperlo, P. E., & Blomkamp,Neill. Chappie: The art of the movie.
Lua i Stíl Chicago (17ú heag.)Aperlo, Peter E., agus Blomkamp,Neill. Chappie: The Art of the Movie.
Lua MLA (8ú heag.)Aperlo, Peter E., agus Blomkamp,Neill. Chappie: The Art of the Movie.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.