Webster, S. W. (1968). Discipline in the classroom: Basic principles and problems. Chandler Pub.
Lua i Stíl Chicago (17ú heag.)Webster, Staten W. Discipline in the Classroom: Basic Principles and Problems. San Francisco: Chandler Pub, 1968.
Lua MLA (9ú heag.)Webster, Staten W. Discipline in the Classroom: Basic Principles and Problems. Chandler Pub, 1968.
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