(2006). Degree Completions in Areas of National Need, 1996-97 to 2001-02. U.S. Department of Education.
芝加哥风格引文Degree Completions in Areas of National Need, 1996-97 to 2001-02. U.S. Department of Education, 2006.
MLA引文Degree Completions in Areas of National Need, 1996-97 to 2001-02. U.S. Department of Education, 2006.
警告：这些引文格式不一定是100％准确.