United Nations. (1999). World investment report 1999. New York: United Nations.
शिकागो स्टाइल उद्धरणUnited Nations. World Investment Report 1999. New York: United Nations, 1999.
एमएलए उद्धरणUnited Nations. World Investment Report 1999. New York: United Nations, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.