APA引文

(2000). Percentage of the Population who Completed Secondary & Higher Education. U.S. Department of Education.

芝加哥风格引文

Percentage of the Population Who Completed Secondary & Higher Education. U.S. Department of Education, 2000.

MLA引文

Percentage of the Population Who Completed Secondary & Higher Education. U.S. Department of Education, 2000.

警告:这些引文格式不一定是100%准确.