HERSEN, M., & EISLER, R. M. (1987). Progress in behavior modification vol. 21. Sage.
Chicago-čujuhus (17. p.)HERSEN, Michel, juo Richard M. EISLER. Progress in Behavior Modification Vol. 21. Newbury Park: Sage, 1987.
MLA-čujuhus (9. p.)HERSEN, Michel, juo Richard M. EISLER. Progress in Behavior Modification Vol. 21. Sage, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.