Clarizio, H. F. (1971). Toward positive classroom discipline. Wiley.
Lua i Stíl Chicago (17ú heag.)Clarizio, Harvey F. Toward Positive Classroom Discipline. New York: Wiley, 1971.
Lua MLA (9ú heag.)Clarizio, Harvey F. Toward Positive Classroom Discipline. Wiley, 1971.
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