Unknown. (2023). Report of the Director of Forestry 1932-3 (Fiscal year ended March 31, 1933). Forest Research Institute.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Unknown. Report of the Director of Forestry 1932-3 (Fiscal Year Ended March 31, 1933). Forest Research Institute, 2023.
MLA -ийн эшлэл (9 дэх хэвлэлт)Unknown. Report of the Director of Forestry 1932-3 (Fiscal Year Ended March 31, 1933). Forest Research Institute, 2023.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.