McConnell, Campbell R. Economics : principles, problems, and policies / Campbell R. McConnell, Stanley L. Brue. - 16th ed. - [S.l.] : Mcgraw-Hill College, 2004. - 732 p. ; 26 cm. ISBN: 0072819359 (hardcover) 9780072819359 (hardcover) Dewey Class. No.: 330