(1955). Social insurance developments in the German Democratic Republic since 1949. International Labour Organization.
Chicago-Zitierstil (17. Ausg.)Social Insurance Developments in the German Democratic Republic Since 1949. International Labour Organization, 1955.
MLA-Zitierstil (9. Ausg.)Social Insurance Developments in the German Democratic Republic Since 1949. International Labour Organization, 1955.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.