Heske, G. (2013). Value Added, Emloyment and Capital Expenditures in the East German Industry 1950-2000: Data, Methods, Comparisons. Historical Social Research = Historische Sozialforschung.
Chicago-referens (17:e uppl.)Heske, Gerhard. "Value Added, Emloyment and Capital Expenditures in the East German Industry 1950-2000: Data, Methods, Comparisons." Historical Social Research = Historische Sozialforschung 2013.
MLA-referens (8:e uppl.)Heske, Gerhard. "Value Added, Emloyment and Capital Expenditures in the East German Industry 1950-2000: Data, Methods, Comparisons." Historical Social Research = Historische Sozialforschung, 2013.
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