aWorldwatch Institute, Worldwatch environmental alert series, & Brown, L. R. (2000). State of the world 2000: A Worldwatch Institute report on progress toward a sustainable society. Earthscan Pubs. Ltd.
Style de citation Chicago (17e éd.)aWorldwatch Institute, Worldwatch environmental alert series, et Lester Russell Brown. State of the World 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. London: Earthscan Pubs. Ltd, 2000.
Style de citation MLA (9e éd.)aWorldwatch Institute, et al. State of the World 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Earthscan Pubs. Ltd, 2000.
Attention : ces citations peuvent ne pas être correctes à 100%.