Unknown. (2023). Organization of the Forest Research Institute and Colleges (as on 1st July 1958). Forest Research Institute, Dehradun.
芝加哥风格引文Unknown. Organization of the Forest Research Institute and Colleges (as on 1st July 1958). Forest Research Institute, Dehradun, 2023.
MLA引文Unknown. Organization of the Forest Research Institute and Colleges (as on 1st July 1958). Forest Research Institute, Dehradun, 2023.
警告：这些引文格式不一定是100％准确.