Singh, D. V. (1998). Impact evaluation study, Integrated Watershed Development (Hills) Project, Markanda Watershed, Himachal Pradesh. Agro-Economic Research Centre, Himachal Pradesh University.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Singh, D. V. Impact Evaluation Study, Integrated Watershed Development (Hills) Project, Markanda Watershed, Himachal Pradesh. Agro-Economic Research Centre, Himachal Pradesh University, 1998.
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