APA-ийн эшлэл(7 дахь хэвлэлт)

National Center for Education Statistics. (1999). Education statistics quarterly. National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

National Center for Education Statistics. Education Statistics Quarterly. Washington, DC: National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education, 1999.

MLA -ийн эшлэл (9 дэх хэвлэлт)

National Center for Education Statistics. Education Statistics Quarterly. National Center for Education Statistics, Office of Educational Research and Improvement, U.S. Dept. of Education, 1999.