Unknown. (2023). Progress Report of the Forest Research Institute for 1911-1912. Superintendent Government Printing.
芝加哥风格引文Unknown. Progress Report of the Forest Research Institute for 1911-1912. Superintendent Government Printing, 2023.
MLA引文Unknown. Progress Report of the Forest Research Institute for 1911-1912. Superintendent Government Printing, 2023.
警告:这些引文格式不一定是100%准确.