(2008). Rebalancing the carbon cycle: Hearing before the Subcommittee on Energy and Resources of the Committee on Government Reform, House of Representatives, One Hundred Ninth Congress, second session, September 27, 2006.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rebalancing the Carbon Cycle: Hearing Before the Subcommittee on Energy and Resources of the Committee on Government Reform, House of Representatives, One Hundred Ninth Congress, Second Session, September 27, 2006. 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Rebalancing the Carbon Cycle: Hearing Before the Subcommittee on Energy and Resources of the Committee on Government Reform, House of Representatives, One Hundred Ninth Congress, Second Session, September 27, 2006. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.