Jack S. Levy, “Theories of Interstate and Intrastate War: A Levels-of-Analysis Approach,” in Turbulent Peace: The Challenges of Managing International Conflict, eds. Chester A. Crocker, Fen Osler Hampson, and Pamela Aall (Washington, DC: United States Institute of Peace Press, 2001).

“Theories of Interstate and Intrastate War: A Levels-of-Analysis Approach.” Turbulent Peace: The Challenges of Managing International Conflict, ed. Chester A. Crocker, Fen Osler Hampson, and Pamela Aall (United States Institute of Peace Press, 2001).