United Nations Industrial Development Organization. Division for Industrial Studies. Regional and Country Studies Branch. (1984). Industrial development review series: Paraguay. UNIDO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations Industrial Development Organization. Division for Industrial Studies. Regional and Country Studies Branch. Industrial Development Review Series: Paraguay. Vienna: UNIDO, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited Nations Industrial Development Organization. Division for Industrial Studies. Regional and Country Studies Branch. Industrial Development Review Series: Paraguay. UNIDO, 1984.
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