Unknown. (2023). Annual report of the Northern Forest Rangers College, Dehradun for the Year 1962-63. Forest Research Institute, Dehradun.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnknown. Annual Report of the Northern Forest Rangers College, Dehradun for the Year 1962-63. Forest Research Institute, Dehradun, 2023.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিUnknown. Annual Report of the Northern Forest Rangers College, Dehradun for the Year 1962-63. Forest Research Institute, Dehradun, 2023.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.