Barons Who's Who (Firm), Pellam, J. L., & Clarke, A. C. (2000). The Europe 500: Leaders for the New Century (Millenium ed.). Barons who's who.

Barons Who's Who (Firm), John L. Pellam, and Arthur C. Clarke. The Europe 500: Leaders for the New Century. Millenium ed. Irvine, CA: Barons who's who, 2000.

Barons Who's Who (Firm), et al. The Europe 500: Leaders for the New Century. Millenium ed. Barons who's who, 2000.