Cohen, L. (1987). Disruptive behaviour: A sourcebook for teachers (1. publ.). Harper & Row.
Cita Chicago Style (17a ed.)Cohen, Louis. Disruptive Behaviour: A Sourcebook for Teachers. 1. publ. London [u.a.]: Harper & Row, 1987.
Cita MLA (8a ed.)Cohen, Louis. Disruptive Behaviour: A Sourcebook for Teachers. 1. publ. Harper & Row, 1987.
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