Schumpeter, J. A. (1939). Business cycles: A theoretical, historical, and statistical analysis of the capitalist process. McGraw-Hill Book Company, inc..
Lua i Stíl Chicago (17ú heag.)Schumpeter, Joseph A. Business Cycles: A Theoretical, Historical, and Statistical Analysis of the Capitalist Process. London: McGraw-Hill Book Company, inc., 1939.
Lua MLA (9ú heag.)Schumpeter, Joseph A. Business Cycles: A Theoretical, Historical, and Statistical Analysis of the Capitalist Process. McGraw-Hill Book Company, inc., 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.