Organization for European Economic Cooperation. European Productivity Agency. (1961). Series of lectures on economic growth, University of Madrid, January-February, 1961. O.E.C.D.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organization for European Economic Cooperation. European Productivity Agency. Series of Lectures on Economic Growth, University of Madrid, January-February, 1961. [Paris: O.E.C.D, 1961.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Organization for European Economic Cooperation. European Productivity Agency. Series of Lectures on Economic Growth, University of Madrid, January-February, 1961. O.E.C.D, 1961.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.