Tillmann, G. (1993). A practical guide to logical data modeling. McGraw-Hill.
Chicago-čujuhus (17. p.)Tillmann, George. A Practical Guide to Logical Data Modeling. Nueva York: McGraw-Hill, 1993.
MLA-čujuhus (9. p.)Tillmann, George. A Practical Guide to Logical Data Modeling. McGraw-Hill, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.