Metzelaar, L. C., & Fox, M. B. (1990). Hands-on: MS DOS, Wordperfect 5.0 (includes version 4.2), dBASE III Plus, Lotus 1-2-3, 2.2 (includes version 2.01) (2nd ed.). Benjamin/Cummings Pub. Co..
Chicago Style (17th ed.) CitationMetzelaar, Lawrence C., and Marianne B. Fox. Hands-on: MS DOS, Wordperfect 5.0 (includes Version 4.2), DBASE III Plus, Lotus 1-2-3, 2.2 (includes Version 2.01). 2nd ed. Redwood City, Calif.: Benjamin/Cummings Pub. Co., 1990.
MLA (9th ed.) CitationMetzelaar, Lawrence C., and Marianne B. Fox. Hands-on: MS DOS, Wordperfect 5.0 (includes Version 4.2), DBASE III Plus, Lotus 1-2-3, 2.2 (includes Version 2.01). 2nd ed. Benjamin/Cummings Pub. Co., 1990.
Warning: These citations may not always be 100% accurate.