ebrary, Inc, & Beck, R. H. (1970). The changing structure of Europe: Economic, social, and political trends. University of Minnesota Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ebrary, Inc, ба Robert H. Beck. The Changing Structure of Europe: Economic, Social, and Political Trends. Minneapolis: University of Minnesota Press, 1970.
MLA -ийн эшлэл (9 дэх хэвлэлт)ebrary, Inc, ба Robert H. Beck. The Changing Structure of Europe: Economic, Social, and Political Trends. University of Minnesota Press, 1970.
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