Dinglasan, K. M. J., & De Dios, E. S. Using Engels' law to delineate the middle class.
芝加哥风格引文Dinglasan, Katrina May J., 与 Emmanuel S. De Dios. Using Engels' Law to Delineate the Middle Class.
MLA引文Dinglasan, Katrina May J., 与 Emmanuel S. De Dios. Using Engels' Law to Delineate the Middle Class.
警告：这些引文格式不一定是100％准确.