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.
Chicago-Zitierstil (17. Ausg.)aWorldwatch Institute, Worldwatch environmental alert series, und Lester Russell Brown. State of the World 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. London: Earthscan Pubs. Ltd, 2000.
MLA-Zitierstil (9. Ausg.)aWorldwatch Institute, et al. State of the World 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Earthscan Pubs. Ltd, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.