APA引文

(2000). Percentage Distribution of 6- to 12-year-olds, 1972-97. U.S. Department of Education.

Chicago Style (17th ed.) Citation

Percentage Distribution of 6- to 12-year-olds, 1972-97. U.S. Department of Education, 2000.

MLA引文

Percentage Distribution of 6- to 12-year-olds, 1972-97. U.S. Department of Education, 2000.

警告：這些引文格式不一定是100％准確.