Hart, G. (2023). Working-plan of the Simla Water-Supply Catchment Area Leased Forests, Punjab. 1896. The Superintendent of Government, Punjab.
Chicago-referens (17:e uppl.)Hart, G.S. Working-plan of the Simla Water-Supply Catchment Area Leased Forests, Punjab. 1896. The Superintendent of Government, Punjab, 2023.
MLA-referens (9:e uppl.)Hart, G.S. Working-plan of the Simla Water-Supply Catchment Area Leased Forests, Punjab. 1896. The Superintendent of Government, Punjab, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.