India. Central Water Commission. (1980). Refresher course for inservice engineers on hydrology for senior engineers January 19, 1981-February 5, 1981. Central Water Commission, Government of India.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)India. Central Water Commission. Refresher Course for Inservice Engineers on Hydrology for Senior Engineers January 19, 1981-February 5, 1981. New Delhi: Central Water Commission, Government of India, 1980.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)India. Central Water Commission. Refresher Course for Inservice Engineers on Hydrology for Senior Engineers January 19, 1981-February 5, 1981. Central Water Commission, Government of India, 1980.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.