Cashman, T. J., & Shelly, G. B. (1986). Learning to use supercal C3, dbase III, and worstar 3,3: An introduction. Shelly and Cashma.
Chicago Style (17th ed.) CitationCashman, Thomas J., and Gary B. Shelly. Learning to Use Supercal C3, Dbase III, and Worstar 3,3: An Introduction. Shelly and Cashma, 1986.
MLA (8th ed.) CitationCashman, Thomas J., and Gary B. Shelly. Learning to Use Supercal C3, Dbase III, and Worstar 3,3: An Introduction. Shelly and Cashma, 1986.
Warning: These citations may not always be 100% accurate.