Knights, S., Knights, S. J. R., & Bond, S. (2011). Unemployment persistence: Theoretical and empirical developments.
芝加哥风格引文Knights, S., S. J. R. Knights, 与 S. Bond. Unemployment Persistence: Theoretical and Empirical Developments. 2011.
MLA引文Knights, S., et al. Unemployment Persistence: Theoretical and Empirical Developments. 2011.
警告：这些引文格式不一定是100％准确.