(U.S.), C. A. f. I. P. (1930). Causes of War, and Security, Old and New; preliminary studies presented to the Catholic Association for International Peace by the Committee on Sources of International Enmity and the Europe Committee. Washington, D.C..
Chicago-viite (17. p.)(U.S.), Catholic Association for International Peace. Causes of War, and Security, Old and New; Preliminary Studies Presented to the Catholic Association for International Peace by the Committee on Sources of International Enmity and the Europe Committee. Washington, D.C., 1930.
MLA-viite (8. p.)(U.S.), Catholic Association for International Peace. Causes of War, and Security, Old and New; Preliminary Studies Presented to the Catholic Association for International Peace by the Committee on Sources of International Enmity and the Europe Committee. Washington, D.C., 1930.