Volkomer, W. E., & Smith, C. D. (2001). American government (9th ed.). Prentice Hall.
Chicagoスタイル(17版)引用形式Volkomer, Walter E., , Carolyn D. Smith. American Government. 9th ed. Upper Saddle River, N.J: Prentice Hall, 2001.
MLA(9版)引用形式Volkomer, Walter E., , Carolyn D. Smith. American Government. 9th ed. Prentice Hall, 2001.
警告: この引用は必ずしも正確ではありません.