Shryock, H. S., Larmon, E. A., & Siegel, J. S. (1975). The methods and materials of demography (3rd printing, rev.). U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs. U.S. Govt. Print. Off.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Shryock, Henry S., Elizabeth A. Larmon, و Jacob S. Siegel. The Methods and Materials of Demography. 3rd printing, rev. [Washington]: U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs. U.S. Govt. Print. Off, 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Shryock, Henry S., et al. The Methods and Materials of Demography. 3rd printing, rev. U.S. Dept. of Commerce, Bureau of the Census : for sale by the Supt. of Docs. U.S. Govt. Print. Off, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.