Stipes, J. A., & Trainor, T. N. (1994). Introducing Lotus 1-2-3 release 4 for Windows. Mitchell McGraw-Hill.

Stipes, Jeffrey A., and Timothy N. Trainor. Introducing Lotus 1-2-3 Release 4 for Windows. New York: Mitchell McGraw-Hill, 1994.

Stipes, Jeffrey A., and Timothy N. Trainor. Introducing Lotus 1-2-3 Release 4 for Windows. Mitchell McGraw-Hill, 1994.