Robbins, J. (1990). Lotus 1-2-3 step-by-step. SAMS.
Citación estilo ChicagoRobbins, Judd. Lotus 1-2-3 Step-by-step. Carmel, IN: SAMS, 1990.
Cita MLARobbins, Judd. Lotus 1-2-3 Step-by-step. SAMS, 1990.
Warning: These citations may not always be 100% accurate.