7.
Eccles, J. S., Adler, T. F., Futterman, R., Goff, S. B., Kaczala, C. M., Meece, J., & Midgley, C. (1983). Expectancies, values and academic behaviors. In J. T. Spence, Achievement and achievement motives (pp. 75-146). San Francisco, CA: W. H. Freeman.