Aiken, L. R. (1988). Psychological testing and assessment (6th ed.). Allyn.
Chicago-čujuhus (17. p.)Aiken, Lewis R. Psychological Testing and Assessment. 6th ed. Boston: Allyn, 1988.
MLA-čujuhus (9. p.)Aiken, Lewis R. Psychological Testing and Assessment. 6th ed. Allyn, 1988.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.