Hawrylyshyn, B. (1980). Road maps to the future. Oxford: Pergamon Press.
Trích dẫn kiểu ChicagoHawrylyshyn, Bohdan. Road Maps to the Future. Oxford: Pergamon Press, 1980.
Deismireacht MLAHawrylyshyn, Bohdan. Road Maps to the Future. Oxford: Pergamon Press, 1980.
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