CATAPULT. (1994). Microsoft Fox Pro Versi 2.5 For Windows Step By Step Catapult. PT. Elex Media Komputindo.
Lua i Stíl Chicago (17ú heag.)CATAPULT. Microsoft Fox Pro Versi 2.5 For Windows Step By Step Catapult. PT. Elex Media Komputindo, 1994.
Lua MLA (8ú heag.)CATAPULT. Microsoft Fox Pro Versi 2.5 For Windows Step By Step Catapult. PT. Elex Media Komputindo, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.