Global Environment Facility. (1994). Regional control of greenhouse gas emissions through energy-efficient building technology in West Africa: Project Document.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Global Environment Facility. Regional Control of Greenhouse Gas Emissions Through Energy-efficient Building Technology in West Africa: Project Document. 1994.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Global Environment Facility. Regional Control of Greenhouse Gas Emissions Through Energy-efficient Building Technology in West Africa: Project Document. 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.