Ratnam, K. J. (1979). Endogenous intellectual creativity in the social sciences. United Nations University.
芝加哥风格引文Ratnam, K. J. Endogenous Intellectual Creativity in the Social Sciences. Tokyo: United Nations University, 1979.
MLA引文Ratnam, K. J. Endogenous Intellectual Creativity in the Social Sciences. United Nations University, 1979.
警告：这些引文格式不一定是100％准确.