Cozby, P. C. (1985). Methods in behavioral research (3rd.ed.). Mayfield.
Cita Chicago Style (17a ed.)Cozby, Paul C. Methods in Behavioral Research. 3rd.ed. Palo Alto: Mayfield, 1985.
Cita MLA (9a ed.)Cozby, Paul C. Methods in Behavioral Research. 3rd.ed. Mayfield, 1985.
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