5Nigerian National Petroleum Corporation, "NNPC to Diversity its Sources of Funding ", May 9, 2012, http ://www. nnpcgroup, com/ PublicRelations/NNPCinthenews/tabid/92/articleType/ArticleView/articleld/323/NNPC-to—Diversify-its-Sources-of-Funding.aspx.(上网时间:2012年5月9日).
6Embassy of Japan in Nigeria," Ambassador' s letter 10th Jan.2012”,http://www.ng.emb-japan.go.jp/greeting.html.(上网时间:2012年5月9日).
7"Basic Statistics on Indian Petroleum & Natural Gas", http ://petroleum.nie.in/petstat.pdf.(上网时间:2012年4月24日).
2Peter Chalk. Piracy off the Horn of Africa: Scope, Dimensions, Causes and Responses[J]. Brown Journal of World Affairs, 2010, 90(1) :84-95.
3Oran R. Young. Creating Regimes: Arctic Accords and Inter- national Governance. Ithaca and London[M]: Cornell Univer- sity Press, 1998:69-71.
4Jarrod Wiener. 'Hegemonic' Leadership: Naked Emperor or the Worship of False Gods? [J]. European Journal of Interna- tional Relations, 1995, 1:219-243.
5Caroline Fehl. Unequal power and the institutional design of global governancet the case of arms control[J]. Review of In- ternational Studies, 2014, 40(3) :505-531.