(2000). Percentage of Public School Districts with Consideration of Teachers. U.S. Department of Education.
Chicago Style aipamenaPercentage of Public School Districts with Consideration of Teachers. U.S. Department of Education, 2000.
MLA aipamenaPercentage of Public School Districts with Consideration of Teachers. U.S. Department of Education, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.