(2000). Quality of Educational Environments-Postsecondary. U.S. Department of Education.
Chicago Style aipamenaQuality of Educational Environments-Postsecondary. U.S. Department of Education, 2000.
MLA aipamenaQuality of Educational Environments-Postsecondary. U.S. Department of Education, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.