United, N. (2004). World investment report 2004: The shift towards services.
Chicago Style citaatUnited, Nations. World Investment Report 2004: The Shift Towards Services. New York, United Nations, 2004.
MLA citatieUnited, Nations. World Investment Report 2004: The Shift Towards Services. 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.