APA aipamena

(2000). Elementary & Secondary School Enrollment: Fall 1970-2008. U.S. Department of Education.

Chicago Style aipamena

Elementary & Secondary School Enrollment: Fall 1970-2008. U.S. Department of Education, 2000.

MLA aipamena

Elementary & Secondary School Enrollment: Fall 1970-2008. U.S. Department of Education, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.