Dyfyniad APA

Horwitz, A. V. (2013). Anxiety: A short history. Johns Hopkins University Press.

Dyfyniad Arddull Chicago

Horwitz, Allan V. Anxiety: A Short History. Baltimore: Johns Hopkins University Press, 2013.

Dyfyniad MLA

Horwitz, Allan V. Anxiety: A Short History. Johns Hopkins University Press, 2013.

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