Kruse, D., & Mahony, D. (1998). Illegal child labor in the United States: Prevalence and characteristics. National Bureau of Economic Research.
芝加哥风格引文Kruse, Douglas, 与 Douglas Mahony. Illegal Child Labor in the United States: Prevalence and Characteristics. Cambridge: National Bureau of Economic Research, 1998.
MLA引文Kruse, Douglas, 与 Douglas Mahony. Illegal Child Labor in the United States: Prevalence and Characteristics. National Bureau of Economic Research, 1998.
警告：这些引文格式不一定是100％准确.