%0 Book %A Kohn, Alfie %I Houghton Mifflin %D 1993 %C Boston u.a. %G English %@ 0395710901 %@ 0395650283 %T Punished by rewards: the trouble with gold stars, incentive plans, A's, praise, and other bribes %U http://www.loc.gov/catdir/enhancements/fy0736/93021897-b.html