GRANER ROBERT T. (1989). MICROCOMPUTER APPLICATIONS (2.). BORLAND OSBORNE MC-GRAWHILL.
Lua i Stíl Chicago (17ú heag.)GRANER ROBERT T. MICROCOMPUTER APPLICATIONS. 2. CALIFORNIA: BORLAND OSBORNE MC-GRAWHILL, 1989.
Lua MLA (9ú heag.)GRANER ROBERT T. MICROCOMPUTER APPLICATIONS. 2. BORLAND OSBORNE MC-GRAWHILL, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.