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