Szenberg, M. (1977). Welfare effects of trade restrictions. ELSEVIER.
芝加哥风格引文Szenberg, Michael. Welfare Effects of Trade Restrictions. ELSEVIER, 1977.
MLA引文Szenberg, Michael. Welfare Effects of Trade Restrictions. ELSEVIER, 1977.
警告：这些引文格式不一定是100％准确.