Hansen, A. (1964). Business cycles & national income. G. Allen & Unwin.
Lua i Stíl Chicago (17ú heag.)Hansen, Alvin. Business Cycles & National Income. London: G. Allen & Unwin, 1964.
Lua MLA (9ú heag.)Hansen, Alvin. Business Cycles & National Income. G. Allen & Unwin, 1964.
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