Vogel, J. (1997). Living conditions and inequality in the European Union 1997.
Chicago-Zitierstil (17. Ausg.)Vogel, Joachim. Living Conditions and Inequality in the European Union 1997. Luxembourg, 1997.
MLA-Zitierstil (8. Ausg.)Vogel, Joachim. Living Conditions and Inequality in the European Union 1997. 1997.
警告：這些引文格式不一定是100％准確.