Unknown. (2023). Report of the Forest Authority for Ceylon Prepared for the British Empire Forestry Conference, Ottawa, Canada, 1923. Forest Research Institute.
Chicagoスタイル(17版)引用形式Unknown. Report of the Forest Authority for Ceylon Prepared for the British Empire Forestry Conference, Ottawa, Canada, 1923. Forest Research Institute, 2023.
MLA(9版)引用形式Unknown. Report of the Forest Authority for Ceylon Prepared for the British Empire Forestry Conference, Ottawa, Canada, 1923. Forest Research Institute, 2023.
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