APA
Watson R. (. a., Unep United Nations Environment Programme, . (1995). Global biodiversity assessment: summary for policy-makers. Cambridge: Cambridge Uni Pr.
Chicago
Watson R.T (et al), Unep United Nations Environment Programme, . 1995. Global biodiversity assessment: summary for policy-makers. Cambridge: Cambridge Uni Pr.
Harvard
Watson R. (. a., Unep United Nations Environment Programme, . (1995). Global biodiversity assessment: summary for policy-makers. Cambridge: Cambridge Uni Pr.
MLA
Watson R.T (et al), Unep United Nations Environment Programme, . Global biodiversity assessment: summary for policy-makers. Cambridge: Cambridge Uni Pr. 1995.