Europe, U. N. T. E. C. f. (1975). Economic survey of Europe in 1974, Part II: Post-war demographic .... year 2000. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEurope, United Nations. The Economic Commission for. Economic Survey of Europe in 1974, Part II: Post-war Demographic .... Year 2000. The author, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEurope, United Nations. The Economic Commission for. Economic Survey of Europe in 1974, Part II: Post-war Demographic .... Year 2000. The author, 1975.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.