Baras, E. M. (1984). Guide to using lotus 1-2-3 (2nd ed.). Osborne McGraw-Hill.
Cita Chicago (17th ed.)Baras, Edward M. Guide to Using Lotus 1-2-3. 2nd ed. California: Osborne McGraw-Hill, 1984.
Cita MLA (8th ed.)Baras, Edward M. Guide to Using Lotus 1-2-3. 2nd ed. Osborne McGraw-Hill, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.