Smith, M. L. (1987). Research and evaluation in education and the social sciences. Prentice Hall.
Čikaški stil citiranja (17. izdanje)Smith, Mary Lee. Research and Evaluation in Education and the Social Sciences. Englewood Cliffs: Prentice Hall, 1987.
MLA način citiranja (9. izdanje)Smith, Mary Lee. Research and Evaluation in Education and the Social Sciences. Prentice Hall, 1987.
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