APA
Brown Lester R,, . (1989). State of the world 1988 : A world wide institute report on progress toward a sustainable society. New Delhi: Prentice Hall of India.
Chicago
Brown Lester R,, . 1989. State of the world 1988 : A world wide institute report on progress toward a sustainable society. New Delhi: Prentice Hall of India.
Harvard
Brown Lester R,, . (1989). State of the world 1988 : A world wide institute report on progress toward a sustainable society. New Delhi: Prentice Hall of India.
MLA
Brown Lester R,, . State of the world 1988 : A world wide institute report on progress toward a sustainable society. New Delhi: Prentice Hall of India. 1989.