Unknown. (2023). Calendar - Imperial Forest School. Government Printing, Government of India, Calcutta.
Cita Chicago (17th ed.)Unknown. Calendar - Imperial Forest School. Government Printing, Government of India, Calcutta, 2023.
Cita MLA (9th ed.)Unknown. Calendar - Imperial Forest School. Government Printing, Government of India, Calcutta, 2023.
Atenció: Aquestes cites poden no estar 100% correctes.