United Nations. (1999). World investment report 1999. New York: United Nations.
Chicago Stili AlıntıUnited Nations. World Investment Report 1999. New York: United Nations, 1999.
MLA AlıntıUnited Nations. World Investment Report 1999. New York: United Nations, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..