Harriet Nerlove Mischel and Walter Mischel, «The Development of Children’s Knowledge of Self-Control Strategies», Child Development 54, no. 3(1983): 603–619; Walter Mischel and Nancy Baker, «Cognitive Appraisals and Transformations in Delay Behavior», Journal of Personality and Social Psychology 31, no. 2 (1975):254–261; Walter Mischel, Ebbe B. Ebbesen, and Antonette Raskoff Zeiss, «Cognitive and Attentional Mechanisms in Delay of Gratification», Journal of Personality and Social Psychology 21, no. 2 (1972): 204–218; Walter Mischel, Yuichi Shoda, and Monica I. Rodriguez, «Delay of Gratification in Children», Science 244, no. 4907 (1989): 933–938.