worldwatch institute, Starke, L., Renner, M., French, . H., & Assadourian, E. (2005). State of the world 2005: A worldwatch institute report on progress toward a sustainable society. Earthscan.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)worldwatch institute, Linda Starke, Michael Renner, Hilary French, و Erik Assadourian. State of the World 2005: A Worldwatch Institute Report on Progress Toward a Sustainable Society. London: Earthscan, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)worldwatch institute, et al. State of the World 2005: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Earthscan, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.