Phelps, E. B. (1913). The supposed death-rates of abstainers and non-abstainers and their lack of scientific value. Thrift publishing company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Phelps, Edward Bunnell. The Supposed Death-rates of Abstainers and Non-abstainers and Their Lack of Scientific Value. New York: Thrift publishing company, 1913.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Phelps, Edward Bunnell. The Supposed Death-rates of Abstainers and Non-abstainers and Their Lack of Scientific Value. Thrift publishing company, 1913.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.