Bratt, E. C. (1961). Business cycles and forecasting/5e (5th ed.). Richard D. Irwin.
Chicago Edition CitationBratt, Elmer Clark. Business Cycles and Forecasting/5e. 5th ed. Illinois: Richard D. Irwin, 1961.
Cita MLABratt, Elmer Clark. Business Cycles and Forecasting/5e. 5th ed. Richard D. Irwin, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.