George, L. K., Gatz, M., Siegler, I. C., & Tyler, F. B. (1986). Attributional Components of Locus of Control: Cross sectional and Longitudinal Analyses. In M. M. Baltes & P. B. Baltes (Eds.), Aging and the Psychology of Control. Hillsdale, NJ: Erlbaum.

George, L. K., M. Gatz, I. C. Siegler, and F. B. Tyler. “Attributional Components of Locus of Control: Cross sectional and Longitudinal Analyses.” In Aging and the Psychology of Control, edited by M. M. Baltes and P. B. Baltes. Hillsdale, NJ: Erlbaum, 1986.

George LK, Gatz M, Siegler IC, Tyler FB. Attributional Components of Locus of Control: Cross sectional and Longitudinal Analyses. In: Baltes MM, Baltes PB, editors. Aging and the Psychology of Control. Hillsdale, NJ: Erlbaum; 1986.

George, L. K., et al. “Attributional Components of Locus of Control: Cross sectional and Longitudinal Analyses.” Aging and the Psychology of Control, edited by M. M. Baltes and P. B. Baltes, Erlbaum, 1986.

George LK, Gatz M, Siegler IC, Tyler FB. Attributional Components of Locus of Control: Cross sectional and Longitudinal Analyses. In: Baltes MM, Baltes PB, editors. Aging and the Psychology of Control. Hillsdale, NJ: Erlbaum; 1986.