Sheffel, E. (2004). Study guide for use with Legal environment of business in the information age. McGraw-Hill.
Chicago-čujuhus (17. p.)Sheffel, Evan. Study Guide for Use with Legal Environment of Business in the Information Age. Boston: McGraw-Hill, 2004.
MLA-čujuhus (9. p.)Sheffel, Evan. Study Guide for Use with Legal Environment of Business in the Information Age. McGraw-Hill, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.