1. Adler, E. (1997). Imagined (security) communities. Cognitive regions in international relations. Millenium: Journal of International Studies, 26(2), 249–277.
2. Adler, E., & Barnett, M. (1998). A framework for the study of security communities. In E. Adler & M. Barnett (Eds.), Security communities (pp. 29–65). Cambridge, MA: Cambridge University Press.
3. Ahrens, G.-H. (2007). Diplomacy on the edge: Containment of ethnic conflict and the minorities working group of the conferences on Yugoslavia. Washington, DC: The Johns Hopkins University Press.
4. Aldrich, H., & Whetten, D. A. (1981). Organization-sets, action-sets, and networks: making the most of simplicity. In P. C. Nystrom & W. H. Starbuck (Eds.), Handbook of organizational design, Vol. 1: Adapting organizations to their environments (pp. 385–408). Oxford: Oxford University Press.
5. Alvarez, R., & Robin, L. (1992). Organizational structure. In E. F. Borgatta & M. L. Borgatta (Eds.), Encyclopedia of sociology, Vol. 3 (pp. 1394–1404), New York: Macmillan.