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.
Chicago-viite (17. p.)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.
MLA-viite (9. p.)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.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.