Engel, D. (2007). American Polonia and Polish Jewry in the United States: 1940-1941. Polin.
Chicago-Zitierstil (17. Ausg.)Engel, David. "American Polonia and Polish Jewry in the United States: 1940-1941." Polin 2007.
MLA-Zitierstil (8. Ausg.)Engel, David. "American Polonia and Polish Jewry in the United States: 1940-1941." Polin, 2007.
警告：這些引文格式不一定是100％准確.