Keppel, G. (1982). Design and analysis: A researcher's handbook (2nd ed.). Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Keppel, Geoffrey. Design and Analysis: A Researcher's Handbook. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1982.
MLA način citiranja (9. izdanje)Keppel, Geoffrey. Design and Analysis: A Researcher's Handbook. 2nd ed. Prentice-Hall, 1982.
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