APA

Brown Lester R,, . (1992). State of the world, 1992 : A world watch institute report on progress toward a sustainable society. New Delhi: Horizon India Books.

Chicago

Brown Lester R,, . 1992. State of the world, 1992 : A world watch institute report on progress toward a sustainable society. New Delhi: Horizon India Books.

Harvard

Brown Lester R,, . (1992). State of the world, 1992 : A world watch institute report on progress toward a sustainable society. New Delhi: Horizon India Books.

MLA

Brown Lester R,, . State of the world, 1992 : A world watch institute report on progress toward a sustainable society. New Delhi: Horizon India Books. 1992.