United States. Bureau of the Census & Jenkinson, B. L. (1949). Bureau of the Census manual of tabular presentation: An outline of theory and practice in the presentation of Statistical data in tables for publication. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Bureau of the Census و Bruce L. Jenkinson. Bureau of the Census Manual of Tabular Presentation: An Outline of Theory and Practice in the Presentation of Statistical Data in Tables for Publication. Wash.: Govt. Print. Off., 1949.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Bureau of the Census و Bruce L. Jenkinson. Bureau of the Census Manual of Tabular Presentation: An Outline of Theory and Practice in the Presentation of Statistical Data in Tables for Publication. Govt. Print. Off., 1949.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.