Cabal, C. R. (2000). Household food energy intake of semi-subsistent households in integrated crop-livestock agricultural systems in the central highlands of Ethiopia. Bell & Howell Information and Learning Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cabal, Carol R. Household Food Energy Intake of Semi-subsistent Households in Integrated Crop-livestock Agricultural Systems in the Central Highlands of Ethiopia. Ann Arbor Michigan: Bell & Howell Information and Learning Company, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cabal, Carol R. Household Food Energy Intake of Semi-subsistent Households in Integrated Crop-livestock Agricultural Systems in the Central Highlands of Ethiopia. Bell & Howell Information and Learning Company, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.