Unknown. (2023). Classification of thinnings. Order of Government of India.
Chicago-referens (17:e uppl.)Unknown. Classification of Thinnings. Order of Government of India, 2023.
MLA-referens (9:e uppl.)Unknown. Classification of Thinnings. Order of Government of India, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.