Unknown. (2023). Report of the Forest Products Research Board with the Report of the Director of Forest Products Research for the Period Ended 31st December, 1929. Forest Research Institute.
芝加哥风格引文Unknown. Report of the Forest Products Research Board with the Report of the Director of Forest Products Research for the Period Ended 31st December, 1929. Forest Research Institute, 2023.
MLA引文Unknown. Report of the Forest Products Research Board with the Report of the Director of Forest Products Research for the Period Ended 31st December, 1929. Forest Research Institute, 2023.
警告：这些引文格式不一定是100％准确.