APA
McConnell C., . (2006). Study Guide to accompany Economics. : McGraw-Hill/Irwin.
Chicago
McConnell Campbell, . 2006. Study Guide to accompany Economics. : McGraw-Hill/Irwin.
Harvard
McConnell C., . (2006). Study Guide to accompany Economics. : McGraw-Hill/Irwin.
MLA
McConnell Campbell, . Study Guide to accompany Economics. : McGraw-Hill/Irwin. 2006.