Citace podle APA

Peterson, C. (1995). Learned helplessness: A theory for the age of personal control. New York: Oxford University Press.

Styl Chicago

Peterson, Christopher. Learned Helplessness: A Theory for the Age of Personal Control. New York: Oxford University Press, 1995.

Citace podle MLA

Peterson, Christopher. Learned Helplessness: A Theory for the Age of Personal Control. New York: Oxford University Press, 1995.

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