Worldwatch Institute & Brown, L. R. (1988). State of the world 2001: A Worldwatch Institute report on progress toward a sustainable society. Earthscan.
Цитирование в стиле Чикаго (17-е изд.)Worldwatch Institute и Lester Russell Brown. State of the World 2001: A Worldwatch Institute Report on Progress Toward a Sustainable Society. London: Earthscan, 1988.
Цитирование MLA (9-е изд.)Worldwatch Institute и Lester Russell Brown. State of the World 2001: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Earthscan, 1988.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.