United Nation's Educational, Scientific and Cultural Organization. (1971). Scientists abroad: A study of the international movement of persons in science and technology. United Nations Educational Scientific and Cultural Organization.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United Nation's Educational, Scientific and Cultural Organization. Scientists Abroad: A Study of the International Movement of Persons in Science and Technology. Paris: United Nations Educational Scientific and Cultural Organization, 1971.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)United Nation's Educational, Scientific and Cultural Organization. Scientists Abroad: A Study of the International Movement of Persons in Science and Technology. United Nations Educational Scientific and Cultural Organization, 1971.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.