Peterson, W. C. (1981). Income, employment and economic growth (4th ed.). W. W. Norton.
Cita Chicago (17th ed.)Peterson, Wallace C. Income, Employment and Economic Growth. 4th ed. New York: W. W. Norton, 1981.
Cita MLA (9th ed.)Peterson, Wallace C. Income, Employment and Economic Growth. 4th ed. W. W. Norton, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.