Gaya APA
Joseph.A.Schumpeter, .
(1964).
BusineesCycles BusineesCycles
.
London:
MC.Crow-Hillbook company.
Gaya MLA
Joseph.A.Schumpeter, .
"BusineesCycles BusineesCycles".
London:
MC.Crow-Hillbook company,
1964.
Text.