Hoggan, J., & Littlemore, R. D. (2009). Climate cover-up: The crusade to deny global warming. Greystone Books : Distributed in the U.S. by Publishers Group West.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hoggan, James, و Richard D. Littlemore. Climate Cover-up: The Crusade to Deny Global Warming. Vancouver ; Berkeley: Greystone Books : Distributed in the U.S. by Publishers Group West, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hoggan, James, و Richard D. Littlemore. Climate Cover-up: The Crusade to Deny Global Warming. Greystone Books : Distributed in the U.S. by Publishers Group West, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.