Straub, R. O. (1998). Study guide to accompany psychology (5th ed.). Worth.
Chicago-čujuhus (17. p.)Straub, Richard O. Study Guide to Accompany Psychology. 5th ed. New York: Worth, 1998.
MLA-čujuhus (9. p.)Straub, Richard O. Study Guide to Accompany Psychology. 5th ed. Worth, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.