(1993). The social market economy: Challenges and conceptual response ; a research programme of the Bertelsmann Foundation, the Friedrich Spee Foundation and the Ludwig Erhard Foundation in cooperation with the Kiel Institute of world economics. Bertelsmann Foundation Publ.
Chicago-Zitierstil (17. Ausg.)The Social Market Economy: Challenges and Conceptual Response ; a Research Programme of the Bertelsmann Foundation, the Friedrich Spee Foundation and the Ludwig Erhard Foundation in Cooperation with the Kiel Institute of World Economics. Gütersloh: Bertelsmann Foundation Publ, 1993.
MLA-Zitierstil (9. Ausg.)The Social Market Economy: Challenges and Conceptual Response ; a Research Programme of the Bertelsmann Foundation, the Friedrich Spee Foundation and the Ludwig Erhard Foundation in Cooperation with the Kiel Institute of World Economics. Bertelsmann Foundation Publ, 1993.