(2000). Persistence & Attainment of First-Generation Students. U.S. Department of Education.
芝加哥风格引文Persistence & Attainment of First-Generation Students. U.S. Department of Education, 2000.
MLA引文Persistence & Attainment of First-Generation Students. U.S. Department of Education, 2000.
警告:这些引文格式不一定是100%准确.