Piotrowicz, R. W. (1997). The unification of Germany in international and domestic law. Amsterdam, Netherlands: Rodopi.
Trích dẫn kiểu ChicagoPiotrowicz, Ryszard W. The Unification of Germany in International and Domestic Law. Amsterdam, Netherlands: Rodopi, 1997.
Deismireacht MLAPiotrowicz, Ryszard W. The Unification of Germany in International and Domestic Law. Amsterdam, Netherlands: Rodopi, 1997.
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