Baras, E. M. (1984). Guide to using lotus 1-2-3 (2nd ed.). Osborne McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Baras, Edward M. Guide to Using Lotus 1-2-3. 2nd ed. California: Osborne McGraw-Hill, 1984.
Lua MLA (8ú heag.)Baras, Edward M. Guide to Using Lotus 1-2-3. 2nd ed. Osborne McGraw-Hill, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.