Peterson, C., & Seligman, M. E. P. (2004). Character strengths and virtues: A handbook and classification. American Psychological Association ; Oxford University Press.
Chicago Style (17. basım) AtıfPeterson, Christopher, ve Martin E. P. Seligman. Character Strengths and Virtues: A Handbook and Classification. Washington, DC : New York: American Psychological Association ; Oxford University Press, 2004.
MLA (9th ed.) AtıfPeterson, Christopher, ve Martin E. P. Seligman. Character Strengths and Virtues: A Handbook and Classification. American Psychological Association ; Oxford University Press, 2004.
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