Collery, A. (1966). National income and employment analysis. J. Wiley.
Lua i Stíl Chicago (17ú heag.)Collery, Arnold. National Income and Employment Analysis. New York: J. Wiley, 1966.
Lua MLA (8ú heag.)Collery, Arnold. National Income and Employment Analysis. J. Wiley, 1966.
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