Unknown. (2023). Proceedings of the Forestry Conference held on the 9th and 10th December 1937. Forest Research Institute.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Unknown. Proceedings of the Forestry Conference Held on the 9th and 10th December 1937. Forest Research Institute, 2023.
MLA -ийн эшлэл (9 дэх хэвлэлт)Unknown. Proceedings of the Forestry Conference Held on the 9th and 10th December 1937. Forest Research Institute, 2023.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.