Peterson, C., Maier, S. F., & Seligman, M. E. P. (1995). Learned helplessness: A theory for the age of personal control. Oxford University Press.
Citace podle Chicago (17th ed.)Peterson, Christopher, Steven F. Maier, a Martin E. P. Seligman. Learned Helplessness: A Theory for the Age of Personal Control. New York: Oxford University Press, 1995.
Citace podle MLA (9th ed.)Peterson, Christopher, et al. Learned Helplessness: A Theory for the Age of Personal Control. Oxford University Press, 1995.
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