Fraenkel, J. R., & Wallen, N. E. (1996). How to design and evaluate research in education (Third edition.). McGraw-Hill.
Čikaški stil citiranja (17. izdanje)Fraenkel, Jack R., i Norman E. Wallen. How to Design and Evaluate Research in Education. Third edition. New York: McGraw-Hill, 1996.
MLA način citiranja (8. izdanje)Fraenkel, Jack R., i Norman E. Wallen. How to Design and Evaluate Research in Education. Third edition. McGraw-Hill, 1996.
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