Dernburg, T. F., & McDougall, D. M. (1976). Macroeconomics: The measurement, analysis, and control of aggregate economic activity (5a. ed.). McGraw-Hill.

Dernburg, Thomas Frederick, and Duncan M. McDougall. Macroeconomics: The Measurement, Analysis, and Control of Aggregate Economic Activity. 5a. ed. Nueva York: McGraw-Hill, 1976.

Dernburg, Thomas Frederick, and Duncan M. McDougall. Macroeconomics: The Measurement, Analysis, and Control of Aggregate Economic Activity. 5a. ed. McGraw-Hill, 1976.