Nicholls, S. H., & Nicholls, A. (1975). Creative teaching: An approach to the achievement of educational objectives. Allen and Unwin.
Čikaški stil citiranja (17. izdanje)Nicholls, S. Howard, i Audrey Nicholls. Creative Teaching: An Approach to the Achievement of Educational Objectives. London: Allen and Unwin, 1975.
MLA način citiranja (9. izdanje)Nicholls, S. Howard, i Audrey Nicholls. Creative Teaching: An Approach to the Achievement of Educational Objectives. Allen and Unwin, 1975.
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