Nick, H. (1983). Karl Marx and advanced socialist society in the in the GDR. Zeit im Bild.
Čikaški stil citiranja (17. izdanje)Nick, Harry. Karl Marx and Advanced Socialist Society in the in the GDR. Dresden: Zeit im Bild, 1983.
MLA način citiranja (8. izdanje)Nick, Harry. Karl Marx and Advanced Socialist Society in the in the GDR. Zeit im Bild, 1983.
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