APA Citatie

(1987). State of world 1987: AWorldwatch Institute report on progress toward a sustainable society. Prentice Hall of India.

Chicago Style citaat

State of World 1987: AWorldwatch Institute Report on Progress Toward a Sustainable Society. New Delhi: Prentice Hall of India, 1987.

MLA citatie

State of World 1987: AWorldwatch Institute Report on Progress Toward a Sustainable Society. Prentice Hall of India, 1987.

Let op: Deze citaties zijn niet altijd 100% accuraat.