Catholic Association for International Peace (U.S.). Committee on U.S. Dependencies & Lynskey, E. M. (1931). Porto Rico and the United States: Study presented to the Catholic Association for International Peace. The Paulist Press.
Lua i Stíl Chicago (17ú heag.)Catholic Association for International Peace (U.S.). Committee on U.S. Dependencies agus Elizabeth M. Lynskey. Porto Rico and the United States: Study Presented to the Catholic Association for International Peace. New York City: The Paulist Press, 1931.
Lua MLA (8ú heag.)Catholic Association for International Peace (U.S.). Committee on U.S. Dependencies agus Elizabeth M. Lynskey. Porto Rico and the United States: Study Presented to the Catholic Association for International Peace. The Paulist Press, 1931.