Great Britain. Forestry Commission. (1950). Thirtieth annual report of the Forestry Commissioners for the year ending September 30th 1949. His Majesty's Stationary Office.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)Great Britain. Forestry Commission. Thirtieth Annual Report of the Forestry Commissioners for the Year Ending September 30th 1949. His Majesty's Stationary Office, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.