Sheffel, E. (2004). Study guide for use with Legal environment of business in the information age. McGraw-Hill.
Cita Chicago (17th ed.)Sheffel, Evan. Study Guide for Use with Legal Environment of Business in the Information Age. Boston: McGraw-Hill, 2004.
Cita MLA (9th ed.)Sheffel, Evan. Study Guide for Use with Legal Environment of Business in the Information Age. McGraw-Hill, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.