Gaya APA
Schumpeter, J, A. (1984).
Business Cycles, A Theoretical, Historical and Statistical Analysis of the Capitalist Process .
USA:
mcgraw hill.
Gaya MLA
Schumpeter, Joseph, A..
"Business Cycles, A Theoretical, Historical and Statistical Analysis of the Capitalist Process".
USA:
mcgraw hill,
1984.
Art Original.