Unknown. (2023). Progress report of the Imperial Forest College, Dehradun, for the year 1926-27. Central Publication Branch, Government of India.
芝加哥风格引文Unknown. Progress Report of the Imperial Forest College, Dehradun, for the Year 1926-27. Central Publication Branch, Government of India, 2023.
MLA引文Unknown. Progress Report of the Imperial Forest College, Dehradun, for the Year 1926-27. Central Publication Branch, Government of India, 2023.
警告：这些引文格式不一定是100％准确.