APA
,, . (1998). Teaching environmental law in the National, Regional and International context. : United Nations University.
Chicago
,, . 1998. Teaching environmental law in the National, Regional and International context. : United Nations University.
Harvard
,, . (1998). Teaching environmental law in the National, Regional and International context. : United Nations University.
MLA
,, . Teaching environmental law in the National, Regional and International context. : United Nations University. 1998.