.Couch, J. V. (1987). Fundamentals of statistics for the behavioral sciences (2nd ed.). .West Pub. Co.
Chicago-čujuhus (17. p.).Couch, James V. Fundamentals of Statistics for the Behavioral Sciences. 2nd ed. St. Paul: .West Pub. Co, 1987.
MLA-čujuhus (9. p.).Couch, James V. Fundamentals of Statistics for the Behavioral Sciences. 2nd ed. .West Pub. Co, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.