Catholic Association for International Peace (U.S.). Europe Committee. (1931). Europe and the United States: Elements in their relationship. Catholic Association for International Peace.
Chicago-viite (17. p.)Catholic Association for International Peace (U.S.). Europe Committee. Europe and the United States: Elements in Their Relationship. Washington, D.C.: Catholic Association for International Peace, 1931.
MLA-viite (8. p.)Catholic Association for International Peace (U.S.). Europe Committee. Europe and the United States: Elements in Their Relationship. Catholic Association for International Peace, 1931.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.