Napier, H. A., & Judd, P. J. 1. . . . .. (1993). Mastering and using Lotus 1-2-3 for Windows. Boyd & Fraser Pub.
Cita Chicago (17th ed.)Napier, H. Albert, i Philip J. 1953- Judd. Mastering and Using Lotus 1-2-3 for Windows. Danvers, Mass: Boyd & Fraser Pub, 1993.
Cita MLA (9th ed.)Napier, H. Albert, i Philip J. 1953- Judd. Mastering and Using Lotus 1-2-3 for Windows. Boyd & Fraser Pub, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.