(2006). Economic Outcomes of High School Completers & Noncompleters 8 Years Later. U.S. Department of Education.
芝加哥风格引文Economic Outcomes of High School Completers & Noncompleters 8 Years Later. U.S. Department of Education, 2006.
MLA引文Economic Outcomes of High School Completers & Noncompleters 8 Years Later. U.S. Department of Education, 2006.
警告：这些引文格式不一定是100％准确.