Hutabarat, B. (1985). An assessment of form-lavel input demands and production under risk on rice farms in the Cimanuk River Basin, Jawa Barat, Indonesia. Iowa State University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hutabarat, Budiman. An Assessment of Form-lavel Input Demands and Production Under Risk on Rice Farms in the Cimanuk River Basin, Jawa Barat, Indonesia. Ames: Iowa State University Press, 1985.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hutabarat, Budiman. An Assessment of Form-lavel Input Demands and Production Under Risk on Rice Farms in the Cimanuk River Basin, Jawa Barat, Indonesia. Iowa State University Press, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.