Haandrikman, K. (2001). Populatioin research centre university of groningen.
芝加哥风格引文Haandrikman, Karen. Populatioin Research Centre University of Groningen. 2001.
MLA引文Haandrikman, Karen. Populatioin Research Centre University of Groningen. 2001.
警告：这些引文格式不一定是100％准确.