Corporation, 2. N. (1979). NCR EDP concepts course / NCR Corporation. Indianapolis, Ind. : Howard W. Sams.
Chicago-čujuhus (17. p.)Corporation, 2716 NCR. NCR EDP Concepts Course / NCR Corporation. Indianapolis, Ind. : Howard W. Sams, 1979.
MLA-čujuhus (9. p.)Corporation, 2716 NCR. NCR EDP Concepts Course / NCR Corporation. Indianapolis, Ind. : Howard W. Sams, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.