Peterman, A. L. (1891). Elements of civil government: A text-book for use in public schools, high schools and normal schools, and a manual of reference for teachers ([Kentucky ed.].). American Book Co.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Peterman, Alexander L. Elements of Civil Government: A Text-book for Use in Public Schools, High Schools and Normal Schools, and a Manual of Reference for Teachers. [Kentucky ed.]. New York, Cincinnati [etc.]: American Book Co, 1891.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Peterman, Alexander L. Elements of Civil Government: A Text-book for Use in Public Schools, High Schools and Normal Schools, and a Manual of Reference for Teachers. [Kentucky ed.]. American Book Co, 1891.
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