Simoes, J. T. d. C. (1984). SADCC: Energy and development to the year 2000. Published by SADCC Energy Sector in collaboration with the Beijer Institute, the Royal Swedish Academy of Sciences, Stockholm, Sweden.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Simoes, Jorge Tavares de Carvalho. SADCC: Energy and Development to the Year 2000. [London, England]: Published by SADCC Energy Sector in collaboration with the Beijer Institute, the Royal Swedish Academy of Sciences, Stockholm, Sweden, 1984.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Simoes, Jorge Tavares de Carvalho. SADCC: Energy and Development to the Year 2000. Published by SADCC Energy Sector in collaboration with the Beijer Institute, the Royal Swedish Academy of Sciences, Stockholm, Sweden, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.