Simpson, A. (1986). The best book of-- Lotus 1-2-3 (2nd ed.). H.W. Sams.
Cita Chicago (17th ed.)Simpson, Alan. The Best Book of-- Lotus 1-2-3. 2nd ed. Indianapolis, IN, USA: H.W. Sams, 1986.
Cita MLA (8th ed.)Simpson, Alan. The Best Book of-- Lotus 1-2-3. 2nd ed. H.W. Sams, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.