Richardson, J. E. (1967). The environment of learning: Conflict and understanding in the secondary school. Nelson.
Chicago Style (17. basım) AtıfRichardson, Joan Elizabeth. The Environment of Learning: Conflict and Understanding in the Secondary School. London: Nelson, 1967.
MLA (8th ed.) AtıfRichardson, Joan Elizabeth. The Environment of Learning: Conflict and Understanding in the Secondary School. Nelson, 1967.
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