Mueller, J. (1990). Illustrated Lotus 1-2-3 Release 2.2. BPB Pub.
Cita Chicago (17th ed.)Mueller, John. Illustrated Lotus 1-2-3 Release 2.2. New Delhi: BPB Pub, 1990.
Cita MLA (9th ed.)Mueller, John. Illustrated Lotus 1-2-3 Release 2.2. BPB Pub, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.