APA引文

(2007). Nation's Report Card: Civics 2006. U.S. Department of Education.

Chicago Style (17th ed.) Citation

Nation's Report Card: Civics 2006. U.S. Department of Education, 2007.

MLA引文

Nation's Report Card: Civics 2006. U.S. Department of Education, 2007.

警告：這些引文格式不一定是100％准確.