APA (7 ম সংস্করণ) উদ্ধৃতি

Unknown. (2023). Calendar - Imperial Forest School. Superintendent Government Printing, Government of India, Calcutta.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Unknown. Calendar - Imperial Forest School. Superintendent Government Printing, Government of India, Calcutta, 2023.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Unknown. Calendar - Imperial Forest School. Superintendent Government Printing, Government of India, Calcutta, 2023.