Shelly, G., Cashman, T. Learning To Use SUPERCALC3, dBASE III, and WORDSTAR 3.3. Boston: Boyd & Fraser Publishing Company, 1986 502 с. : с ил. 0-87825-208-2.
Shelly, G., Cashman, T. Learning To Use SUPERCALC3, dBASE III, and WORDSTAR 3.3. Boston: Boyd & Fraser Publishing Company, 1986 502 с. : с ил. 0-87825-208-2.
Shelly, G., Cashman, T. (1986) Learning To Use SUPERCALC3, dBASE III, and WORDSTAR 3.3, Boston: Boyd & Fraser Publishing Company 502 с. : с ил. 0-87825-208-2.
Shelly, G., & Cashman, T. (1986). Learning To Use SUPERCALC3, dBASE III, and WORDSTAR 3.3. An Introduction : [Ръководство]. Boston: Boyd & Fraser Publishing Company, 502 с. : с ил.
Shelly G, Cashman T. Learning To Use SUPERCALC3, dBASE III, and WORDSTAR 3.3: An Introduction : [Ръководство]. Boston: Boyd & Fraser Publishing Company; 1986. p. 502 с. : с ил. ISBN: 0-87825-208-2.