Trích dẫn APA

United Nations. office of Public Information. (1965). Landmarks in international co-operation. New York: United Nations.

Trích dẫn kiểu Chicago

United Nations. office of Public Information. Landmarks in International Co-operation. New York: United Nations, 1965.

Trích dẫn MLA

United Nations. office of Public Information. Landmarks in International Co-operation. New York: United Nations, 1965.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.