ebrary, Inc, & Beck, R. H. (1970). The changing structure of Europe: Economic, social, and political trends. University of Minnesota Press.
芝加哥风格引文ebrary, Inc, 与 Robert H. Beck. The Changing Structure of Europe: Economic, Social, and Political Trends. Minneapolis: University of Minnesota Press, 1970.
MLA引文ebrary, Inc, 与 Robert H. Beck. The Changing Structure of Europe: Economic, Social, and Political Trends. University of Minnesota Press, 1970.
警告：这些引文格式不一定是100％准确.