Cita APA (7th ed.)

Krumm, R. (1988). Learning Lotus 1-2-3 for business. Addison-Wesley Pub. Co..

Cita Chicago (17th ed.)

Krumm, Rob. Learning Lotus 1-2-3 for Business. Reading, Mass.: Addison-Wesley Pub. Co., 1988.

Cita MLA (8th ed.)

Krumm, Rob. Learning Lotus 1-2-3 for Business. Addison-Wesley Pub. Co., 1988.