Kemp, M. (1991). Labour Unions and the Theory of International Trade. ELSEVIER.
芝加哥风格引文Kemp, M.C. Labour Unions and the Theory of International Trade. ELSEVIER, 1991.
MLA引文Kemp, M.C. Labour Unions and the Theory of International Trade. ELSEVIER, 1991.
警告：这些引文格式不一定是100％准确.