Anderson, D., & Cobb, D. F. (1989). Lotus 1-2-3: :Tips, tricks and traps/2nd ed (2nd ed.). Tech Publication.
Dyfyniad Arddull ChicagoAnderson, Dick, and Douglas Ford Cobb. Lotus 1-2-3: :Tips, Tricks and Traps/2nd Ed. 2nd ed. singapore: Tech Publication, 1989.
Dyfyniad MLAAnderson, Dick, and Douglas Ford Cobb. Lotus 1-2-3: :Tips, Tricks and Traps/2nd Ed. 2nd ed. Tech Publication, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.