Worldwatch Institute & Brown, L. (2000). State of the world 2000: A Worldwatch Institute report on progress toward a sustainable society. Norton.
芝加哥风格引文Worldwatch Institute 与 LesterR Brown. State of the World 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York, N.Y.: Norton, 2000.
MLA引文Worldwatch Institute 与 LesterR Brown. State of the World 2000: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Norton, 2000.
警告：这些引文格式不一定是100％准确.