Wallman, J. (2015). Stuffocation: Why we've had enough of stuff and need experience more than ever.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wallman, James. Stuffocation: Why We've Had Enough of Stuff and Need Experience More than Ever. 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wallman, James. Stuffocation: Why We've Had Enough of Stuff and Need Experience More than Ever. 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.