1. Entry, Strategy and Performance, Strategic Planning Institute, Cambridge, Massachusetts, 1976.
2. and . Concentration in Modern Industry, UK Experience, Macmillan, London, 1973.
3. Acquisitions in Europe, Business International, Geneva, 1973.
4. and . Successful Business Policies, Gower Press, Farnborough, England, 1978.
5. and . Managing the Multinational Enterprise, Basic Books, New York, 1972.