Unknown. (2023). Annual Report on the Progress of Afforestation in the United Provinces for the Financial Year 1922-23. Superintendent, Government Press.
Chicago-referens (17:e uppl.)Unknown. Annual Report on the Progress of Afforestation in the United Provinces for the Financial Year 1922-23. Superintendent, Government Press, 2023.
MLA-referens (9:e uppl.)Unknown. Annual Report on the Progress of Afforestation in the United Provinces for the Financial Year 1922-23. Superintendent, Government Press, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.