Maas, C., & Snijders, T. (2003). The multilevel approach to repeated measures for complete and incomplete data.
芝加哥风格引文Maas, C., 与 T. Snijders. The Multilevel Approach to Repeated Measures for Complete and Incomplete Data. 2003.
MLA引文Maas, C., 与 T. Snijders. The Multilevel Approach to Repeated Measures for Complete and Incomplete Data. 2003.
警告：这些引文格式不一定是100％准确.