1. Ahrens, A. H. & Alloy, L. B. (1997). Social comparison process in depression. In B. P. Buunk & F. X. Gibbons (Eds.), Health, coping, and well-being: Perspectives from social comparison theory (pp. 125-166). Mahwah, NJ: Lawrence Erlbaum Associates, Inc.
2. Aiken, L. S. & West, S. G. (1991). Multiple regression: Testing and interpreting interactions. Newbury Park, CA: Sage.
3. Aspinwall, L. G. (1997). Future-orientated aspects of social comparisons: A framework for studying health-related comparison activity. In B. P. Buunk & F. X. Gibbons (Eds.), Health, coping, and well-being: Perspectives from social comparison theory. Mahwah, NJ: Lawrence Erlbaum Associates, Inc.