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.
Chicago (17e ed.) BronvermeldingCatholic Association for International Peace (U.S.). Committee on U.S. Dependencies en 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.
MLA (8e ed.) BronvermeldingCatholic Association for International Peace (U.S.). Committee on U.S. Dependencies en Elizabeth M. Lynskey. Porto Rico and the United States: Study Presented to the Catholic Association for International Peace. The Paulist Press, 1931.