Gaya APA
Denrburg, T, F. (1985).
Macro Economics Concepts, Theories, And Policies (Seven Edition).
USA:
McGraw-Hill Book Company , USA.
Gaya MLA
Denrburg, Thomas, F..
"Macro Economics Concepts, Theories, And Policies".
Seven Edition
USA:
McGraw-Hill Book Company , USA,
1985.
Text.