Feldman, R. S. (2005). Student study guide for use with Understanding Psychology (7th ed.). McGraw - Hill.
Chicago-čujuhus (17. p.)Feldman, Robert S. Student Study Guide for Use with Understanding Psychology. 7th ed. Nueva York: McGraw - Hill, 2005.
MLA-čujuhus (9. p.)Feldman, Robert S. Student Study Guide for Use with Understanding Psychology. 7th ed. McGraw - Hill, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.