Oettingen, G., Bulgarella, C., Henderson, M., & Gollwitzer, P. M. (2004). The self-regulation of goal pursuit. In R. A. Wright, J. Greenberg, & S. S. Brehm (Eds.), Motivational analysis of social behavior: Building on Jack Brehm's contributions to psychology (pp. 225-244). Mahwah, NJ: Erlbaum.