ESTEY, J. A. (1956). Business Cycles Their Nature, Cause And Control James Arthur Estey. Prentice.
Chicago-referens (17:e uppl.)ESTEY, James Arthur. Business Cycles Their Nature, Cause And Control James Arthur Estey. Prentice, 1956.
MLA-referens (8:e uppl.)ESTEY, James Arthur. Business Cycles Their Nature, Cause And Control James Arthur Estey. Prentice, 1956.
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