Stockholm International Peace Research Institute & Cowen Karp, R. (1993). Central and Eastern Europe: The challenge of transition. Sipri.
Citace podle Chicago (17th ed.)Stockholm International Peace Research Institute a Regina Cowen Karp. Central and Eastern Europe: The Challenge of Transition. Stockholm, Sweden: Sipri, 1993.
Citace podle MLA (9th ed.)Stockholm International Peace Research Institute a Regina Cowen Karp. Central and Eastern Europe: The Challenge of Transition. Sipri, 1993.
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