Río, A. d. (1955). Responsible freedom in the Americas. Doubleday.
Chicagoスタイル(17版)引用形式Río, Angel del. Responsible Freedom in the Americas. Nueva York: Doubleday, 1955.
MLA(9版)引用形式Río, Angel del. Responsible Freedom in the Americas. Doubleday, 1955.
警告: この引用は必ずしも正確ではありません.