Ruppin, A. The Jewish population of the world. Group dynamics : research and theory.
Chicago-Zitierstil (17. Ausg.)Ruppin, Arthur. "The Jewish Population of the World." Group Dynamics : Research and Theory .
MLA-Zitierstil (8. Ausg.)Ruppin, Arthur. "The Jewish Population of the World." Group Dynamics : Research and Theory, .
警告：这些引文格式不一定是100％准确.