Cita APA

Brown, L. R. (1993). State of the world 1993: A world watch institute report on progress toward a sustainable society. Horizon India Books.

Chicago Edition Citation

Brown, Lester R. State of the World 1993: A World Watch Institute Report on Progress Toward a Sustainable Society. New Delhi: Horizon India Books, 1993.

Cita MLA

Brown, Lester R. State of the World 1993: A World Watch Institute Report on Progress Toward a Sustainable Society. Horizon India Books, 1993.