Hopkins, D. (1989). Evaluation for school development. Open University Press.
Chicago Style aipamenaHopkins, David. Evaluation for School Development. Milton Keynes [England] ; Philadelphia: Open University Press, 1989.
MLA aipamenaHopkins, David. Evaluation for School Development. Open University Press, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.