McConnell, Campbell R. Economics : principles, problems and policies / Campbell R. McConnell and Stanley L. Brue - 13th ed. - New York : MacGraw-Hill, c1996. - xxxiv,825 p. : Includes index. ISBN: 007770468141 LCCN: Subjects--Topical Terms: Economics LC Class. No.: HB171.5 / .M139 1996