Cozby, P. C. (1985). Methods in behavioral research (3rd.ed.). Mayfield.
Chicago-čujuhus (17. p.)Cozby, Paul C. Methods in Behavioral Research. 3rd.ed. Palo Alto: Mayfield, 1985.
MLA-čujuhus (9. p.)Cozby, Paul C. Methods in Behavioral Research. 3rd.ed. Mayfield, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.