APA
,, . (1998). World economic and social survey 1998 : Trends and policies in the world economy. New York: United Nations.
Chicago
,, . 1998. World economic and social survey 1998 : Trends and policies in the world economy. New York: United Nations.
Harvard
,, . (1998). World economic and social survey 1998 : Trends and policies in the world economy. New York: United Nations.
MLA
,, . World economic and social survey 1998 : Trends and policies in the world economy. New York: United Nations. 1998.