Levine, A., & Petkoff, R. (2019). Attached: The new science of adult attachment and how it can help you find—and keep— love (Unabridged.). Penguin Audio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Levine, Amir, و Robert Petkoff. Attached: The New Science of Adult Attachment and How It Can Help You Find—and Keep— Love. Unabridged. New York: Penguin Audio, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Levine, Amir, و Robert Petkoff. Attached: The New Science of Adult Attachment and How It Can Help You Find—and Keep— Love. Unabridged. Penguin Audio, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.