Singh, D. V. (1998). Impact evaluation study, Integrated Watershed Development (Hills) Project, Markanda Watershed, Himachal Pradesh. Agro-Economic Research Centre, Himachal Pradesh University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Singh, D. V. Impact Evaluation Study, Integrated Watershed Development (Hills) Project, Markanda Watershed, Himachal Pradesh. Shimla, India: Agro-Economic Research Centre, Himachal Pradesh University, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Singh, D. V. Impact Evaluation Study, Integrated Watershed Development (Hills) Project, Markanda Watershed, Himachal Pradesh. Agro-Economic Research Centre, Himachal Pradesh University, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.