(1987). Quattro: User's Guide. Borland International.
Lua i Stíl Chicago (17ú heag.)Quattro: User's Guide. Borland International, 1987.
Lua MLA (8ú heag.)Quattro: User's Guide. Borland International, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.