Dyfyniad APA

Seligman, M. E. P. (2002). Authentic Happiness. Public Affairs.

Dyfyniad Arddull Chicago

Seligman, Martin E P. Authentic Happiness. New York: Public Affairs, 2002.

Dyfyniad MLA

Seligman, Martin E P. Authentic Happiness. Public Affairs, 2002.

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