Clarizio, H. F. (1971). Toward positive classroom discipline. Wiley.
Chicago Style (17th ed.) ZitazioaClarizio, Harvey F. Toward Positive Classroom Discipline. New York: Wiley, 1971.
MLA (9th ed.) ZitazioaClarizio, Harvey F. Toward Positive Classroom Discipline. Wiley, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.