Guilford, J. P. (1959). Psychometric methods. McGraw-Hill Book Company.
Chicago-čujuhus (17. p.)Guilford, J. P. Psychometric Methods. New York: McGraw-Hill Book Company, 1959.
MLA-čujuhus (9. p.)Guilford, J. P. Psychometric Methods. McGraw-Hill Book Company, 1959.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.