Worldwatch Institute & Brown, L. R. (2000). State of the world, 2000: A Worldwatch Institute report on progress toward a sustainable society. Earthscan.
Chicago Style (17. basım) AtıfWorldwatch Institute ve Lester Russell Brown. State of the World, 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. London: Earthscan, 2000.
MLA (9th ed.) AtıfWorldwatch Institute ve Lester Russell Brown. State of the World, 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Earthscan, 2000.
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