Não informado. (1960). Main Economic Indicators. Department of Economics and Statistics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Main Economic Indicators. Paris: Department of Economics and Statistics, 1960.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Main Economic Indicators. Department of Economics and Statistics, 1960.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.