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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Catholic Association for International Peace (U.S.). Committee on U.S. Dependencies και 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.
Παραπομπή σε μορφή MLA (8th εκδ.)Catholic Association for International Peace (U.S.). Committee on U.S. Dependencies και Elizabeth M. Lynskey. Porto Rico and the United States: Study Presented to the Catholic Association for International Peace. The Paulist Press, 1931.