Great Britain. Forestry Commission. (1950). Thirtieth annual report of the Forestry Commissioners for the year ending September 30th 1949. His Majesty's Stationary Office.
Cytowanie według stylu Chicago (wyd. 17)Great Britain. Forestry Commission. Thirtieth Annual Report of the Forestry Commissioners for the Year Ending September 30th 1949. London: His Majesty's Stationary Office, 1950.
Cytowanie według stylu MLA (wyd. 9)Great Britain. Forestry Commission. Thirtieth Annual Report of the Forestry Commissioners for the Year Ending September 30th 1949. His Majesty's Stationary Office, 1950.
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