Ribbentrop, B. (2023). Progress report of forest administration in the Punjab for the year 1883-84. Forest Research Institute.
Lua i Stíl Chicago (17ú heag.)Ribbentrop, B. Progress Report of Forest Administration in the Punjab for the Year 1883-84. Forest Research Institute, 2023.
Lua MLA (9ú heag.)Ribbentrop, B. Progress Report of Forest Administration in the Punjab for the Year 1883-84. Forest Research Institute, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.