Hänvisningar gällande denna post
APA-referensUnited Nations Environment Programme. (1988). System-wide medium-term environment programme for the period 1990-1995. United Nations Environment Programme.
Chicago-stil citatUnited Nations Environment Programme. System-wide Medium-term Environment Programme for the Period 1990-1995. Nairobi: United Nations Environment Programme, 1988.
MLA-referensUnited Nations Environment Programme. System-wide Medium-term Environment Programme for the Period 1990-1995. United Nations Environment Programme, 1988.
Harvard-stil citatUnited Nations Environment Programme. 1988. System-wide medium-term environment programme for the period 1990-1995. Nairobi: United Nations Environment Programme.
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