Davis, W. S. (1978). Business data processing. Addison-Wesley Pub. Co..
Chicago-čujuhus (17. p.)Davis, William S. Business Data Processing. Reading, Mass.: Addison-Wesley Pub. Co., 1978.
MLA-čujuhus (9. p.)Davis, William S. Business Data Processing. Addison-Wesley Pub. Co., 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.