1. ALTERSOHN, C. (1992), De la sous-traitance au partenariat industriel, Paris, L'Harmattan.
2. AMIN, A. (1989), « A model of the small firm in Italy », in E. Goodman, Small Firm and Industrial District in Italy, London, Routledge.
3. ANSOFF, I.H. (1969), Business Strategy, Harmondsworth, Penguin Books Ltd.
4. AUERBACH, P. (1988), Competition: The Economics of Industrial Change, New York, Basil Blackwell.
5. BELLANDI, G. (1989), La gestione strategica della qualità nei rapporti azienda-mercato, Milano, Giuffré.