Hansen, A. (1964). Business cycles & national income. G. Allen & Unwin.
Chicago Style aipamenaHansen, Alvin. Business Cycles & National Income. London: G. Allen & Unwin, 1964.
MLA aipamenaHansen, Alvin. Business Cycles & National Income. G. Allen & Unwin, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.