APA
United Nations Environment Programme, . (1994). Diagnostic study for the development of an action plan for the conservation of the Aral sea. Nairobi: United Nations Environment Programme.
Chicago
United Nations Environment Programme, . 1994. Diagnostic study for the development of an action plan for the conservation of the Aral sea. Nairobi: United Nations Environment Programme.
Harvard
United Nations Environment Programme, . (1994). Diagnostic study for the development of an action plan for the conservation of the Aral sea. Nairobi: United Nations Environment Programme.
MLA
United Nations Environment Programme, . Diagnostic study for the development of an action plan for the conservation of the Aral sea. Nairobi: United Nations Environment Programme. 1994.