(2006). Characteristics of the 100 Largest Public Elementary & Secondary School Districts in the United States: 2003-04. U.S. Department of Education.
Chicago Style aipamenaCharacteristics of the 100 Largest Public Elementary & Secondary School Districts in the United States: 2003-04. U.S. Department of Education, 2006.
MLA aipamenaCharacteristics of the 100 Largest Public Elementary & Secondary School Districts in the United States: 2003-04. U.S. Department of Education, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.