1. Nigeria: Africa's New Gendarme?
2. Bach DC , ‘Nigeria: can a failing state be a regional power?’ Paper presented at the German Institute of Global and Area Studies, Hamburg, Germany, 11–12 December 2006 .
3. Power and International Relations
4. Bergstresser H & DM Tull , ‘Nigeria als regionale Ordnungsmacht in Westafrika’ , SWP-Studie (February) . Berlin : Stiftung Wissenschaft und Politik , 2008 .
5. External and domestic sources of foreign policy ambiguity: South African foreign policy and the projection of pluralist middle power