Corey, S. M. (1953). Action research to improve school practices. Bureau of Publications, Teachers College, Columbia University.
Čikaški stil citiranja (17. izdanje)Corey, Stephen Maxwell. Action Research to Improve School Practices. New York: Bureau of Publications, Teachers College, Columbia University, 1953.
MLA način citiranja (8. izdanje)Corey, Stephen Maxwell. Action Research to Improve School Practices. Bureau of Publications, Teachers College, Columbia University, 1953.
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