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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOrganization 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOrganization for European Economic Cooperation. European Productivity Agency. Series of Lectures on Economic Growth, University of Madrid, January-February, 1961. O.E.C.D, 1961.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.