Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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