Smith, D. G. (1955). The United Nations trusteeship system: Origin, principles, and practice, with special reference to the status of the inhabitants of trust territories.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Smith, Donald George. The United Nations Trusteeship System: Origin, Principles, and Practice, with Special Reference to the Status of the Inhabitants of Trust Territories. 1955.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Smith, Donald George. The United Nations Trusteeship System: Origin, Principles, and Practice, with Special Reference to the Status of the Inhabitants of Trust Territories. 1955.
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