توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Heske, G. (2013). Value Added, Emloyment and Capital Expenditures in the East German Industry 1950-2000: Data, Methods, Comparisons. Historical Social Research = Historische Sozialforschung.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Heske, Gerhard. "Value Added, Emloyment and Capital Expenditures in the East German Industry 1950-2000: Data, Methods, Comparisons." Historical Social Research = Historische Sozialforschung 2013.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Heske, Gerhard. "Value Added, Emloyment and Capital Expenditures in the East German Industry 1950-2000: Data, Methods, Comparisons." Historical Social Research = Historische Sozialforschung, 2013.