Assam (India). Directorate of Evaluation and Monitoring. (1978). Study on the functioning of shallow tube well. Directorate of Evaluation and Monitoring, Govt. of Assam.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Assam (India). Directorate of Evaluation and Monitoring. Study on the Functioning of Shallow Tube Well. Gauhati: Directorate of Evaluation and Monitoring, Govt. of Assam, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Assam (India). Directorate of Evaluation and Monitoring. Study on the Functioning of Shallow Tube Well. Directorate of Evaluation and Monitoring, Govt. of Assam, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.