Sarris, A. (2002). The demand for commodity insurance by developing country agricultural producers: Theory and an application to cocoa in Ghana. Development Research Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sarris, Alexander. The Demand for Commodity Insurance by Developing Country Agricultural Producers: Theory and an Application to Cocoa in Ghana. Washington, D.C: Development Research Group, 2002.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sarris, Alexander. The Demand for Commodity Insurance by Developing Country Agricultural Producers: Theory and an Application to Cocoa in Ghana. Development Research Group, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.