CONDON ROBERT J. (1987). DATA PROCESSING SYSTEMS: ANALYSIS AND DESIGN (4.). PRENTICE -HALL INTERNATIONAL, INC.
Chicago-čujuhus (17. p.)CONDON ROBERT J. DATA PROCESSING SYSTEMS: ANALYSIS AND DESIGN. 4. NEW DELHI: PRENTICE -HALL INTERNATIONAL, INC, 1987.
MLA-čujuhus (9. p.)CONDON ROBERT J. DATA PROCESSING SYSTEMS: ANALYSIS AND DESIGN. 4. PRENTICE -HALL INTERNATIONAL, INC, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.