Ebert, Ronald J. <br/><br/>
Business essentials / 
Ronald J. Ebert, Ricky W. Griffin. 
 - 3rd ed. 
 - Upper Saddle River, N.J. :  Prentice Hall,  c2000. 
 - xxiii, 501 p. :  chiefly col. ill., col. maps ;  28 cm.