ESTEY, J. A. (1956). Business cycles: Their nature, cause, andcontrol. Prentice-Hall.
Tohutoru Kātū Chicago (17th ed.)ESTEY, James Arthur. Business Cycles: Their Nature, Cause, Andcontrol. New Jersey: Prentice-Hall, 1956.
Tohutoro MLA (9th ed.)ESTEY, James Arthur. Business Cycles: Their Nature, Cause, Andcontrol. Prentice-Hall, 1956.
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