Gaya APA
Dernburg, T, F. (1983).
Macroeconomics: the measurement, analysis, and control of aggregate economic activity (6th ed.).
Singapore:
McGraw-Hill International Book Company.
Gaya MLA
Dernburg, Thomas, F..
"Macroeconomics: the measurement, analysis, and control of aggregate economic activity".
6th ed.
Singapore:
McGraw-Hill International Book Company,
1983.
Text.