Cita APA

Brown, L. R. (1987). State of the world 1987: A world watch institute report on progress toward a sustainable society. Prentice-Hall of India Pvt. Ltd.

Chicago Edition Citation

Brown, Lester R. State of the World 1987: A World Watch Institute Report on Progress Toward a Sustainable Society. New Delhi: Prentice-Hall of India Pvt. Ltd, 1987.

Cita MLA

Brown, Lester R. State of the World 1987: A World Watch Institute Report on Progress Toward a Sustainable Society. Prentice-Hall of India Pvt. Ltd, 1987.