APA (7th ed.) Zitazioa
Beck, A. T., Emery, G., & Greenberg, R. L. Anxiety, Disorders and Phobias: A Cognitive Perspective. Basic Books.
Chicago Style (17th ed.) Zitazioa
Beck, Aaron T., Gary Emery, eta Ruth L. Greenberg. Anxiety, Disorders and Phobias: A Cognitive Perspective. Nueva York, EUA: Basic Books.
MLA (9th ed.) Zitazioa
Beck, Aaron T., et al. Anxiety, Disorders and Phobias: A Cognitive Perspective. Basic Books.
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