Gladwell, M. (2019). Talking to strangers: What we should know about the people we don't know (Unabridged.). Hachette Audio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gladwell, Malcolm. Talking to Strangers: What We Should Know About the People We Don't Know. Unabridged. [New York]: Hachette Audio, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gladwell, Malcolm. Talking to Strangers: What We Should Know About the People We Don't Know. Unabridged. Hachette Audio, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.