Nicholls, S. (1975). Creative Teaching: An Approach to the Achievement of Education objectives.
Chicago-tyylinen lähdeviittausNicholls, S.Howard. Creative Teaching: An Approach to the Achievement of Education Objectives. London, 1975.
MLA-viiteNicholls, S.Howard. Creative Teaching: An Approach to the Achievement of Education Objectives. 1975.
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