Butcher, K. F., & DiNardo, J. (1998). The immigrant and native-born wage distributions: Evidence from United States censuses. National Bureau of Economic Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Butcher, Kristin F., و John DiNardo. The Immigrant and Native-born Wage Distributions: Evidence from United States Censuses. Cambridge: National Bureau of Economic Research, 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Butcher, Kristin F., و John DiNardo. The Immigrant and Native-born Wage Distributions: Evidence from United States Censuses. National Bureau of Economic Research, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.