International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Implementing energy efficiency policies: Are IEA member countries on track? OECD/IEA.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Energy Agency, Organisation for Economic Co-operation and Development, و ProQuest (Firm). Implementing Energy Efficiency Policies: Are IEA Member Countries on Track? Paris: OECD/IEA, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Energy Agency, et al. Implementing Energy Efficiency Policies: Are IEA Member Countries on Track? OECD/IEA, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.