Verlag Zeit im Bild. (1983). Karl Marx and our time: The struggle for peace and social progress : International Theoretical Conference of the Central Committee of the Socialist Unity Party of Germany Berlin, 11 to 16 April 1983 : speeches and contributions. Verlag Zeit im Bild.
Citazione stile Chigago Style (17a edizione)Verlag Zeit im Bild. Karl Marx and Our Time: The Struggle for Peace and Social Progress : International Theoretical Conference of the Central Committee of the Socialist Unity Party of Germany Berlin, 11 to 16 April 1983 : Speeches and Contributions. Dresden: Verlag Zeit im Bild, 1983.
Citatione MLA (9a ed.)Verlag Zeit im Bild. Karl Marx and Our Time: The Struggle for Peace and Social Progress : International Theoretical Conference of the Central Committee of the Socialist Unity Party of Germany Berlin, 11 to 16 April 1983 : Speeches and Contributions. Verlag Zeit im Bild, 1983.