Pelczarski, M. (1982). The creative apple. Creative Computing Press.
Lua i Stíl Chicago (17ú heag.)Pelczarski, Mark. The Creative Apple. Creative Computing Press, 1982.
Lua MLA (9ú heag.)Pelczarski, Mark. The Creative Apple. Creative Computing Press, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.