توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

STRONG, C. F. (1966). Modern political constitutions: Introduction to the comparative study of their history and existing form (7th ed.). E.L.B.S.K. Sidgwick.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

STRONG, C. F. Modern Political Constitutions: Introduction to the Comparative Study of Their History and Existing Form. 7th ed. London: E.L.B.S.K. Sidgwick, 1966.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

STRONG, C. F. Modern Political Constitutions: Introduction to the Comparative Study of Their History and Existing Form. 7th ed. E.L.B.S.K. Sidgwick, 1966.