توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Singh, A., Sharma, S. K., & Sabharwal, S. A. K. (1981). Evaluation study on training needs of hill farmers in Pauri-Garhwal District (Uttar Pradesh), September 1980. Directorate of Extension, Minsitry of Agriculture, Govt. of India.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Singh, Amar, Sudesh Kumar Sharma, و Shri A. K. Sabharwal. Evaluation Study on Training Needs of Hill Farmers in Pauri-Garhwal District (Uttar Pradesh), September 1980. New Delhi: Directorate of Extension, Minsitry of Agriculture, Govt. of India, 1981.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Singh, Amar, et al. Evaluation Study on Training Needs of Hill Farmers in Pauri-Garhwal District (Uttar Pradesh), September 1980. Directorate of Extension, Minsitry of Agriculture, Govt. of India, 1981.