1.

図書
図書
1. The crisis of the societies in the east and the return to a common Europe, Florence, 23 November 1990
by Giovanni Spadolini
出版情報: Florence : European University Institute, 1991
シリーズ名: Jean Monnet lecture ; 13th
2.

図書
図書
2. The Soviet Union and Eastern Europe. Rev. and updated ed
edited by George Schöpflin
出版情報: New York : Facts on File, 1986
シリーズ名: Handbooks to the modern world