Matthews, M., & Matthews, C. (1989). Using 1-2-3 Release 3. Osborne McGraw-Hill.
Cita Chicago (17th ed.)Matthews, Martin, i Carole Matthews. Using 1-2-3 Release 3. Berkeley, Calif: Osborne McGraw-Hill, 1989.
Cita MLA (9th ed.)Matthews, Martin, i Carole Matthews. Using 1-2-3 Release 3. Osborne McGraw-Hill, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.