United Nations. (1994). Handbook of international trade and development statistics 1993. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Handbook of International Trade and Development Statistics 1993. United Nations, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Handbook of International Trade and Development Statistics 1993. United Nations, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.