Bangladesh Rice Research Institute. Rice Farming Systems Division & Ahmed, N. U. (1992). A review of BRRI cropping systems research, 1974-1988. Rice Farming Systems Division, Bangladesh Rice Research Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bangladesh Rice Research Institute. Rice Farming Systems Division و Nizam U. Ahmed. A Review of BRRI Cropping Systems Research, 1974-1988. Gazipur: Rice Farming Systems Division, Bangladesh Rice Research Institute, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bangladesh Rice Research Institute. Rice Farming Systems Division و Nizam U. Ahmed. A Review of BRRI Cropping Systems Research, 1974-1988. Rice Farming Systems Division, Bangladesh Rice Research Institute, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.