Buigues, P., Ilzkovitz, F., & Lebrun, J. (1990). The impact of the internal market by industrial section: The challenge for the member states (Special ed.). Luxembourg: Office for Official Publications of the European Communities.

Buigues, Pierre., Fabienne Ilzkovitz, and J.-F Lebrun. The Impact of the Internal Market By Industrial Section: The Challenge for the Member States. Special ed. Luxembourg: Office for Official Publications of the European Communities, 1990.

Buigues, Pierre., Fabienne Ilzkovitz, and J.-F Lebrun. The Impact of the Internal Market By Industrial Section: The Challenge for the Member States. Special ed. Luxembourg: Office for Official Publications of the European Communities, 1990.