Hansen, A. (1964). Business cycles & national income. G. Allen & Unwin.
芝加哥风格引文Hansen, Alvin. Business Cycles & National Income. London: G. Allen & Unwin, 1964.
MLA引文Hansen, Alvin. Business Cycles & National Income. G. Allen & Unwin, 1964.
警告：这些引文格式不一定是100％准确.